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DOCUMENT AND ENTITY INFORMATION - USD ($) $ / shares in Units, $ in Billions	12 Months Ended
	Dec. 31, 2014	Feb. 03, 2015	Jun. 30, 2014
Document and Entity Information [Abstract]
Document Type	10-K
Document Period End Date	Dec. 31, 2014
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2014
Entity Registrant Name	PRICE T ROWE GROUP INC
Entity Incorporation, State Country Name	Maryland
Entity Tax Identification Number	522264646
Entity Address, Address Line One	100 East Pratt Street
Entity Address, City or Town	Baltimore
Entity Address, State or Province	Maryland
Entity Address, Postal Zip Code	21202
Entity Listing, Par Value Per Share (in dollars per share)	$ 0.20
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float (dollars)			$ 21.6
Entity Common Stock, Shares Outstanding (shares)		260,726,853
Entity Central Index Key	0001113169
Amendment Flag	false

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 1,506.1	$ 1,398.0
Accounts receivable and accrued revenue	442.8	398.8
Investments in sponsored funds	1,884.0	1,611.9
Other investments	408.3	313.6
Property and equipment, net	586.4	572.9
Goodwill	665.7	665.7
Other assets	151.1	72.2
Total assets	5,644.4	5,033.1
Liabilities
Accounts payable and accrued expenses	143.4	103.9
Accrued compensation and related costs	82.2	72.4
Income taxes payable	23.6	38.7
Total liabilities	249.2	215.0
Commitments and contingent liabilities
Stockholders' equity
Preferred stock, undesignated, $.20 par value - authorized and unissued 20,000,000 shares
Common stock, $.20 par value - authorized 750,000,000; issued 262,073,000 shares in 2013 and 261,110,000 in 2014	52.2	52.4
Additional capital in excess of par value	756.5	894.6
Retained earnings	4,450.1	3,682.8
Accumulated other comprehensive income	136.4	188.3
Total stockholders' equity	5,395.2	4,818.1
Total liabilities and stockholders' equity	$ 5,644.4	$ 5,033.1

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2014	Dec. 31, 2013
Stockholders' equity
Preferred stock, par value (in dollars per share)	$ 0.2	$ 0.2
Preferred stock, shares authorized	20,000,000	20,000,000
Common stock, par value (in dollars per share)	$ 0.2	$ 0.2
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	261,110,000	262,073,000

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues
Investment advisory fees	$ 3,464.5	$ 3,022.6	$ 2,592.0
Administrative fees	374.0	343.7	332.6
Distribution and servicing fees	143.6	117.2	96.1
Net revenue of savings bank subsidiary	0.0	0.7	1.8
Net revenues	3,982.1	3,484.2	3,022.5
Operating expenses
Compensation and related costs	1,329.6	1,156.9	1,047.6
Advertising and promotion	76.0	87.0	88.5
Distribution and servicing costs	143.6	117.2	96.1
Depreciation and amortization of property and equipment	111.7	90.6	80.9
Occupancy and facility costs	143.9	135.8	124.7
Other operating expenses	286.4	259.3	220.4
Total operating expenses	2,091.2	1,846.8	1,658.2
Net operating income	1,890.9	1,637.4	1,364.3
Non-operating investment income	112.2	63.0	70.8
Income before income taxes	2,003.1	1,700.4	1,435.1
Provision for income taxes	773.5	652.7	551.5
Net income	$ 1,229.6	$ 1,047.7	$ 883.6
Earnings per share on common stock
Basic (in dollars per share)	$ 4.68	$ 4.02	$ 3.47
Diluted (in dollars per share)	$ 4.55	$ 3.90	$ 3.36

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 1,229.6	$ 1,047.7	$ 883.6
Other comprehensive income (loss)
Net unrealized holding gains (losses) on available-for-sale investments	(1.9)	148.1	100.2
Reclassification adjustments recognized in non-operating investment income
Capital gain distributions	(31.1)	(15.3)	(4.7)
Net gains realized on dispositions determined using average cost	(49.3)	(13.5)	(35.1)
Net unrealized holding gains derecognized upon the sale of savings bank subsidiary	0.0	(1.6)	0.0
Total reclassification adjustments	(80.4)	(30.4)	(39.8)
Total net unrealized holding gains (losses) recognized in other comprehensive income	(82.3)	117.7	60.4
Currency translation adjustments	(1.8)	(23.7)	(10.7)
Other comprehensive income (loss) before income taxes	(84.1)	94.0	49.7
Deferred tax benefits (income taxes)	32.2	(37.6)	(20.6)
Total other comprehensive income (loss)	(51.9)	56.4	29.1
Total comprehensive income	$ 1,177.7	$ 1,104.1	$ 912.7

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities
Net income	$ 1,229.6	$ 1,047.7	$ 883.6
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization of property and equipment	111.7	90.6	80.9
Stock-based compensation expense	133.4	114.6	104.1
Realized gains on the dispositions of sponsored funds	(49.3)	(13.5)	(35.1)
Net gains recognized on other investments	(7.2)	(13.0)	(11.4)
Net change in trading securities held by consolidated sponsored investment portfolios	(90.1)	(25.6)	(89.3)
Changes in accounts receivable and accrued revenue	(31.5)	(44.7)	(49.7)
Changes in payables and accrued liabilities	36.5	(5.1)	35.3
Other changes in assets and liabilities	(41.8)	82.2	(15.6)
Net cash provided by operating activities	1,291.3	1,233.2	902.8
Cash flows from investing activities
Investments in sponsored funds	(471.9)	(377.7)	(498.5)
Dispositions of sponsored funds	166.6	37.2	218.1
Investments in debt securities held by savings bank subsidiary	0.0	(28.2)	(31.1)
Proceeds from debt securities held by savings bank subsidiary	0.0	48.5	91.5
Additions to property and equipment	(126.2)	(105.8)	(76.9)
Other investing activity	(11.9)	(11.5)	(13.2)
Net cash used in investing activities	(443.4)	(437.5)	(310.1)
Cash flows from financing activities
Repurchases of common stock	(415.5)	(14.1)	(135.2)
Common share issuances under stock-based compensation plans	85.2	118.2	86.6
Excess tax benefits from stock-based compensation plans	52.6	45.5	59.3
Dividends	(462.1)	(396.7)	(603.4)
Change in savings bank subsidiary deposits	0.0	(29.7)	(18.8)
Net cash used in financing activities	(739.8)	(276.8)	(611.5)
Cash and cash equivalents
Net change during year	108.1	518.9	(18.8)
At beginning of year	1,398.0	879.1	897.9
At end of year	$ 1,506.1	$ 1,398.0	$ 879.1

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common stock [Member]	Additional capital in excess of par value [Member]	Retained earnings [Member]	Accumulated other comprehensive income (loss) [Member]
Balances (shares) at Dec. 31, 2011	253,272
Balances at Dec. 31, 2011	$ 3,420.7	$ 50.7	$ 502.0	$ 2,765.2	$ 102.8
Net income	883.6			883.6
Other comprehensive income (loss), net of tax	29.1				29.1
Dividends	(603.6)			(603.6)
Common stock-based compensation plans activity
Shares issued upon option exercises (shares)		5,239
Shares issued upon option exercises	92.6	$ 1.1	91.5
Restricted shares issued, net of shares withheld for taxes (shares)		734
Restricted shares issued, net of shares withheld for taxes	(4.0)	$ 0.1	(4.1)
Shares issued upon vesting of restricted stock units, net of shares withheld for taxes (shares)		101
Shares issued upon vesting of restricted stock units, net of shares withheld for taxes	(2.0)	$ 0.0	(2.0)
Forfeiture of restricted awards (shares)		(26)
Forfeiture of restricted awards	0.0	$ 0.0	0.0
Net tax benefits	60.8		60.8
Stock-based compensation expense	104.1		104.1
Common shares repurchased (shares)		(2,302)
Common shares repurchased	$ (135.2)	$ (0.5)	(121.3)	(13.4)
Balances (shares) at Dec. 31, 2012	257,018
Balances at Dec. 31, 2012	$ 3,846.1	$ 51.4	631.0	3,031.8	131.9
Net income	1,047.7			1,047.7
Other comprehensive income (loss), net of tax	56.4				56.4
Dividends	(396.6)			(396.6)
Common stock-based compensation plans activity
Shares issued upon option exercises (shares)		4,147
Shares issued upon option exercises	128.1	$ 0.8	127.3
Restricted shares issued, net of shares withheld for taxes (shares)		1,041
Restricted shares issued, net of shares withheld for taxes	(6.7)	$ 0.2	(6.9)
Shares issued upon vesting of restricted stock units, net of shares withheld for taxes (shares)		149
Shares issued upon vesting of restricted stock units, net of shares withheld for taxes	(3.3)	$ 0.0	(3.3)
Forfeiture of restricted awards (shares)		(82)
Forfeiture of restricted awards	0.0	$ 0.0	0.0
Net tax benefits	45.9		45.9
Stock-based compensation expense	114.6		114.6
Restricted stock units issued as dividend equivalents	0.0		0.1	(0.1)
Common shares repurchased (shares)		(200)
Common shares repurchased	$ (14.1)	$ 0.0	(14.1)	0.0
Balances (shares) at Dec. 31, 2013	262,073
Balances at Dec. 31, 2013	$ 4,818.1	$ 52.4	894.6	3,682.8	188.3
Net income	1,229.6			1,229.6
Other comprehensive income (loss), net of tax	(51.9)				(51.9)
Dividends	(462.1)			(462.1)
Common stock-based compensation plans activity
Shares issued upon option exercises (shares)		3,679
Shares issued upon option exercises	107.1	$ 0.8	106.3
Restricted shares issued, net of shares withheld for taxes (shares)		625
Restricted shares issued, net of shares withheld for taxes	(12.2)	$ 0.1	(12.3)
Shares issued upon vesting of restricted stock units, net of shares withheld for taxes (shares)		163
Shares issued upon vesting of restricted stock units, net of shares withheld for taxes	(4.7)	$ 0.0	(4.7)
Forfeiture of restricted awards (shares)		(117)
Forfeiture of restricted awards	0.0	$ 0.0	0.0
Net tax benefits	53.4		53.4
Stock-based compensation expense	133.4		133.4
Restricted stock units issued as dividend equivalents	0.0		0.2	(0.2)
Common shares repurchased (shares)		(5,313)
Common shares repurchased	$ (415.5)	$ (1.1)	(414.4)	0.0
Balances (shares) at Dec. 31, 2014	261,110
Balances at Dec. 31, 2014	$ 5,395.2	$ 52.2	$ 756.5	$ 4,450.1	$ 136.4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

12 Months Ended

Dec. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of significant accounting policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

T. Rowe Price Group derives its consolidated revenues and net income primarily from investment advisory services that its subsidiaries provide to individual and institutional investors in the sponsored T. Rowe Price U.S. mutual funds and other investment portfolios. We also provide our investment advisory clients with related administrative services, including distribution, mutual fund transfer agent, accounting and shareholder services; participant recordkeeping and transfer agent services for defined contribution retirement plans; brokerage; and trust services.

Investment advisory revenues depend largely on the total value and composition of assets under our management. Accordingly, fluctuations in financial markets and in the composition of assets under management impact our revenues and results of operations.

BASIS OF PREPARATION.

These consolidated financial statements have been prepared by our management in accordance with accounting principles generally accepted in the U.S. These principles require that we make certain estimates and assumptions. Actual results may vary from our estimates. Certain prior year amounts have been reclassified to conform to the 2014 presentation.

CONSOLIDATION.

Our financial statements include the accounts of all subsidiaries and sponsored portfolios in which we have a controlling financial interest. We are generally deemed to have a controlling financial interest when we own the majority of the voting interest of an entity or are considered to be the primary beneficiary of a variable interest entity. All material intercompany accounts and transactions are eliminated in consolidation. We have determined that the sponsored portfolios in which we have investments at December 31, 2013 and 2014, are voting interest entities and, as a result, have consolidated those sponsored portfolios in which we own a majority of the voting interest.

If we determine that we no longer have a controlling financial interest in a subsidiary or a sponsored portfolio, we deconsolidate the carrying value of their assets and liabilities, and record our remaining equity interest, if any, at its fair value. Any gain or loss realized upon deconsolidation is included in non-operating investment income in our consolidated statements of income.

CASH EQUIVALENTS.

Cash equivalents consist primarily of short-term, highly liquid investments in our sponsored money market mutual funds. The cost of these funds is equivalent to fair value.

INVESTMENTS IN SPONSORED FUNDS - AVAILABLE FOR SALE.

These are investments we have made for both general corporate investment purposes and to provide seed capital for newly formed funds. These sponsored funds were determined to be voting interest entities and are classified as available-for-sale. These investments are carried at fair value using the quoted closing net asset value, or NAV, per share of each fund as of the balance sheet date. Changes in net unrealized holding gains (losses) on these investments are recognized in other comprehensive income.

We review the carrying amount of each investment on a quarterly basis and recognize an impairment charge in non-operating investment income whenever an unrealized loss is considered other than temporary. In determining whether a fund holding is other-than-temporarily impaired, we consider various factors, including the duration of time it has existed, the severity of the impairment, any subsequent changes in value, and our intent and ability to hold the fund for a period of time sufficient for an anticipated recovery in fair value. Subject to the other considerations noted above, we believe a fund holding with an unrealized loss that has persisted daily throughout the six months between quarter-ends is generally presumed to have an other-than-temporary impairment. We may also recognize an other-than-temporary impairment if particular circumstances of the underlying investment do not warrant our belief that a near-term recovery is possible.

OTHER INVESTMENTS.

Cost method investments consist of investments in entities over which we do not exercise significant influence over the operating and financial policies of the investee.

Equity method investments consist of investments in entities, including sponsored portfolios, over which we have the ability to exercise significant influence over the operating and financial policies of the investee. The carrying values of these investments are adjusted to reflect our proportionate share of the investee's net income or loss, any unrealized gain or loss resulting from the translation of foreign denominated financial statements into U.S. dollars, and dividends received. Our proportionate share of income or loss is included in non-operating investment income in the consolidated statements of income. As permitted under existing accounting guidance, we adopted a policy by which we recognize our share of UTI Asset Management Company Limited’s (UTI) earnings on a quarter lag as current financial information is not available in a timely manner. The basis difference between our carrying value and our proportionate share of UTI’s book value is primarily related to consideration paid in excess of the stepped-up basis of assets and liabilities on the date of purchase.

We evaluate our equity and cost method investments for impairment when events or changes in circumstances indicate that the carrying value of the investment exceeds its fair value, and the decline in fair value is other than temporary.

Investments held as trading consist of the underlying securities of sponsored portfolios in which we have a controlling financial interest and sponsored portfolio investments we expect to hold for only a short period of time. These investments are generally the initial seed investments we make at the portfolio's formation. If we are deemed to have a controlling financial interest in the sponsored portfolio, we will consolidate the investment, and the portfolio's underlying securities are accounted for as trading securities. These investments are carried at fair value, with changes in fair value recognized in non-operating investment income. The valuation policies, methods, and sources for these investments are the same as those employed by the T. Rowe Price U.S. mutual funds to price similar investment holdings as further described under our revenue recognition policy below.

CONCENTRATIONS OF RISK.

Concentration of credit risk in accounts receivable is believed to be minimal in that our clients generally have substantial assets, including those in the investment portfolios that we manage for them.

Our investments in sponsored funds and investments held as trading expose us to market risk, that is, the potential future loss of value that would result from a decline in the fair value of each investment or its underlying net assets. Our underlying holdings of our assets under management are also subject to market risk, which may arise from changes in equity prices, credit ratings, foreign currency exchange rates, and interest rates.

PROPERTY AND EQUIPMENT.

Property and equipment is stated at cost net of accumulated depreciation and amortization computed using the straight-line method. Provisions for depreciation and amortization are based on the following weighted-average estimated useful lives: computer and communications software and equipment, 3 years; buildings and improvements, 33 years; leasehold improvements, 9 years; furniture and other equipment, 7 years; and leased land, 99 years.

GOODWILL.

We evaluate the carrying amount of goodwill in our consolidated balance sheets for possible impairment on an annual basis in the third quarter of each year using a fair value approach. Our evaluations have indicated that no impairment exists.

We internally conduct, manage, and report our operations as one investment advisory business. We do not have distinct operating segments or components that separately constitute a business. Accordingly, we attribute goodwill to a single reportable business segment and reporting unit—our investment advisory business.

REVENUE RECOGNITION.

Fees for investment advisory services, which are based on a percentage of assets under management, and related administrative services that we provide to investment advisory clients, including our sponsored funds and portfolios, are recognized in the period that our services are provided.

Our assets under management are valued in accordance with a valuation and pricing policy that defines the valuation and pricing processes for each major type of investment held in our sponsored U.S. mutual funds and other client investment portfolios. Fair values used in our processes are primarily determined from quoted market prices; prices furnished by dealers who make markets in such securities; or from data provided by an independent pricing service that considers yield or price of investments of comparable quality, coupon, maturity, and type. Investments for which market prices are not readily available are not a material portion of our total assets under management.

Distribution and servicing fees earned from 12b-1 plans of the Advisor Class, R Class, and variable annuity class shares of our sponsored U.S. mutual funds are recognized in the period that they are earned, which is the same period that the related mutual funds recognize their expense. These fees are offset entirely by the distribution and servicing costs paid to third-party financial intermediaries that source the assets of these share classes.

We provide all services to the sponsored U.S. mutual funds under contracts that are subject to periodic review and approval by each of the funds’ Boards. Regulations require that the funds’ shareholders also approve material changes to investment advisory contracts.

Taxes billed to our clients based on our fees for services rendered are not included in revenues.

ADVERTISING.

Costs of advertising are expensed the first time that the advertising takes place.

STOCK-BASED COMPENSATION.

We maintain three stockholder-approved employee long-term incentive plans (2012 Long-Term Incentive Plan, 2004 Stock Incentive Plan, and 2001 Stock Incentive Plan, collectively the LTI Plans) and two stockholder-approved non-employee director plans (2007 Non-Employee Director Equity Plan and 1998 Director Stock Option Plan). We believe that our stock-based compensation programs align the interests of our employees and directors with those of our common stockholders. As of December 31, 2014, a total of 14,101,640 shares were available for future grant under the 2012 Long-Term Incentive Plan and 2007 Non-Employee Director Equity Plan.

Under our LTI Plans, we have issued restricted shares and restricted stock units to employees that settle in shares of our common stock after vesting. Vesting of these awards is based on the individual continuing to render service over an average 5.5-year graded schedule. All restricted shareholders and restricted stock unit holders receive non-forfeitable cash dividends and cash dividend equivalents, respectively, on our dividend payable date.

We grant performance-based restricted shares and restricted stock units to certain executive officers in which the number of restricted shares or restricted stock units ultimately retained is determined based on achievement of certain performance thresholds. The number of restricted shares or restricted stock units retained is also subject to the same time-based vesting requirement as the other restricted shares or restricted stock units described above. Cash dividends and cash dividend equivalents are accrued and paid to the holders of performance-based restricted shares and restricted stock units only after the performance period has lapsed and the performance thresholds have been met.

Under our LTI plans, we have granted qualified incentive and nonqualified fixed stock options with a maximum term of 10 years to employees. Vesting of our employee option grants is based on the individual continuing to render service and generally occurs over an average 5.5-year graded schedule. The exercise price of each option granted is equivalent to the market price of the common stock at the date of grant.

We grant options, with a maximum term of 10 years, restricted shares and restricted stock units to non-employee directors under the stockholder approved 2007 Non-Employee Director Plan. These grants vest over 6 months to one year and, in the case of restricted stock units, are settled upon the non-employee directors’ departure from the Board. Non-employee directors holding restricted shares receive non-forfeitable dividends while restricted stock unit holders are issued non-forfeitable dividend equivalents in the form of vested stock units on our dividend payable date.

We recognize the grant-date fair value of these awards as compensation expense ratably over the awards' requisite service period. The expense recognized includes an estimate of awards that will be forfeited and considers, in the case of our performance-based restricted shares and units the probability of the performance thresholds being met. Both time-based and performance-based restricted shares and units are valued on the grant-date using the closing market price of our common stock. We use the Black-Scholes option-pricing model to estimate the fair value of each option grant as follows:



	Weighted-average
	2012			2013			2014
Grant-date fair value per option awarded	$	16.27		$	19.56		$	21.12
Assumptions used:
Expected life in years	6.8			7.0			7.0
Expected volatility	32		%	31		%	30		%
Dividend yield	2.1		%	2.1		%	2.2		%
Risk-free interest rate	1.3		%	1.9		%	2.2		%

Our expected life assumptions are based on the vesting period for each option grant and our historical experience with respect to the average holding period from vesting to option exercise. The assumptions for expected volatility are based on historical experience for the same periods as our expected lives. Dividend yields are based on recent historical experience and future expectations. Risk-free interest rates are set using grant-date U.S. Treasury yield curves for the same periods as our expected lives.

EARNINGS PER SHARE.

We compute our basic and diluted earnings per share under the two-class method, which considers our outstanding restricted shares and stock units, on which we pay non-forfeitable dividends, as if they were a separate class of stock.

COMPREHENSIVE INCOME.

The components of comprehensive income are presented in a separate statement following our consolidated statements of income and include net income, the change in net unrealized security holding gains (losses), and the change in our currency translation adjustments. The currency translation adjustments result from translating our proportionate share of the financial statements of UTI, our equity method investment, and certain consolidated investment portfolios into U.S. dollars. Assets and liabilities are translated into U.S. dollars using year-end exchange rates, and revenues and expenses are translated using weighted-average exchange rates for the period.

The change in net unrealized security holding gains (losses) included those related to the debt securities held by our savings bank subsidiary up until December 2013 when we completed the sale of the bank. The investments held by the savings bank were in marketable debt securities, including mortgage- and other asset-backed securities and were classified as available-for-sale and reported at fair value.

The changes in accumulated balances of each component of other comprehensive income, the deferred tax impacts of each component, and information about significant items reclassified out of accumulated other comprehensive income are presented in the notes to the financial statements. The notes also indicate the line item of our consolidated income statements to which the significant reclassifications were recognized.

CASH EQUIVALENTS.

12 Months Ended

Dec. 31, 2014

Cash and Cash Equivalents [Abstract]

Cash equivalents


NOTE 1	– CASH EQUIVALENTS.

Cash equivalent investments in our sponsored money market mutual funds aggregate $1,288.1 million at December 31, 2013, and $1,345.8 million at December 31, 2014. Dividends earned on these investments in each of the last three years were immaterial.

- Definition

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

+ References + Details

INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES.

12 Months Ended

Dec. 31, 2014

Information about Receivables, Revenues, and Services [Abstract]

Information about receivables, revenues, and services


NOTE 2	– INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES.

Accounts receivable from our sponsored mutual funds for advisory fees and advisory-related administrative services aggregate $221.9 million at December 31, 2013, and $245.8 million at December 31, 2014.

Revenues (in millions) from advisory services provided under agreements with our sponsored mutual funds and other investment clients include:



	2012		2013		2014
Sponsored U.S. mutual funds
Stock and blended asset	$	1,437.6	$	1,759.7	$	2,086.0
Bond and money market	352.7		366.4		399.8
	1,790.3		2,126.1		2,485.8
Other investment portfolios
Stock and blended asset	635.1		735.6		824.5
Bond, money market, and stable value	166.6		160.9		154.2
	801.7		896.5		978.7
Total	$	2,592.0	$	3,022.6	$	3,464.5

The following table summarizes the investment portfolios and assets under management (in billions) on which we earn advisory fees.



	Average during						As of December 31,
	2012		2013		2014		2013		2014
Sponsored U.S. mutual funds
Stock and blended asset	$	241.6	$	299.1	$	359.3	$	341.7	$	373.0
Bond and money market	85.0		92.1		101.6		93.6		104.6
	326.6		391.2		460.9		435.3		477.6
Other investment portfolios
Stock and blended asset	158.0		179.3		201.6		195.3		206.9
Bond, money market, and stable value	64.8		63.3		62.2		61.8		62.3
	222.8		242.6		263.8		257.1		269.2
Total	$	549.4	$	633.8	$	724.7	$	692.4	$	746.8

Investors that we serve are primarily domiciled in the U.S.; investment advisory clients outside the U.S. account for 6.5% and 5.6% of our assets under management at December 31, 2013, and December 31, 2014, respectively.

The following table summarizes the other fees (in millions) earned from our sponsored U.S. mutual funds.



	2012		2013		2014
Administrative fees	$	258.3	$	264.8	$	296.1
Distribution and servicing fees	$	96.1	$	117.2	$	143.6

INVESTMENTS IN SPONSORED FUNDS - AVAILABLE-FOR-SALE.

12 Months Ended

Dec. 31, 2014

Available-for-sale Securities [Abstract]

Investments in sponsored funds - available-for-sale


NOTE 3	– INVESTMENTS IN SPONSORED FUNDS - AVAILABLE-FOR-SALE.

Our investments (in millions) in sponsored funds accounted for as available-for-sale at December 31 include:



	Aggregate cost		Unrealized holding					Aggregate fair value
	Aggregate cost		Gains		Losses			Aggregate fair value
2013
Stock and blended asset funds	$	354.7	$	302.5	$	—		$	657.2
Bond funds	904.0		53.6		(2.9		)	954.7
Total	$	1,258.7	$	356.1	$	(2.9	)	$	1,611.9

2014
Stock and blended asset funds	$	505.4	$	231.4	$	(4.2	)	$	732.6
Bond funds	1,107.9		52.0		(8.5		)	1,151.4
Total	$	1,613.3	$	283.4	$	(12.7	)	$	1,884.0

The unrealized holding losses are attributable to six fund holdings with an aggregate fair value of $155.9 million at December 31, 2013, and 12 fund holdings with an aggregate fair value of $788.5 million at December 31, 2014. These unrealized losses are considered temporary.

Dividends, excluding capital gain distributions, earned on sponsored mutual fund investments totaled $11.8 million in 2012, $10.6 million in 2013, and $14.7 million in 2014.

- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References + Details

OTHER INVESTMENTS.

12 Months Ended

Dec. 31, 2014

Investments, All Other Investments [Abstract]

Other investments


NOTE 4	– OTHER INVESTMENTS.

These investments (in millions) at December 31 include:



	2013		2014
Cost method investments
10% interest in Daiwa SB Investments Ltd. (Japan)	$	6.6	$	3.0
Other investments	53.5		60.7
Equity method investments
26% interest in UTI Asset Management Company Limited (India)	122.6		132.4
Sponsored fund investments	104.1		125.6
Other investments	4.8		5.7
Investments held as trading
Sponsored fund investments	8.5		10.3
Securities held by consolidated sponsored investment portfolios	12.5		69.6
U.S. Treasury note	1.0		1.0
Total	$	313.6	$	408.3

The securities held by consolidated sponsored investment portfolios, sponsored fund investments held as trading, and the sponsored fund investments treated as equity method investments relate to investment portfolios in which we provided initial seed capital at the time of its formation. We have determined at December 31, 2013, and December 31, 2014, that these investment portfolios are voting interest entities and, as a result, have consolidated those sponsored portfolios in which we own a majority of the voting interest.

During 2013 and 2014, we deconsolidated certain sponsored investment portfolios, in which we provided initial seed capital at the time of its formation, as we no longer had a controlling financial interest. Accordingly, we deconsolidated the carrying value of these investments which, at the deconsolidation dates, was $106.3 million in 2013 and $25.5 million in 2014. We are reporting our residual interest in these sponsored investment portfolios as an equity method investment. Since our consolidated investment portfolios were carried at fair value, we did not recognize any gain or loss in our consolidated statements of income upon deconsolidation. The impact of the deconsolidation on our consolidated balance sheet was immaterial.

At December 31, 2014, we had outstanding commitments to make additional contributions totaling $36.6 million to various investment partnerships. The vast majority of these additional contributions will be made to investment partnerships in which we have an existing investment. In addition to such amounts, a percentage of prior distributions may be called under certain circumstances.

FAIR VALUE MEASUREMENTS.

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Fair value measurements


NOTE 5	– FAIR VALUE MEASUREMENTS.

We determine the fair value of our investments using the following broad levels of inputs as defined by related accounting standards:

Level 1 – quoted prices in active markets for identical securities.

Level 2 – observable inputs other than Level 1 quoted prices, including, but not limited to, quoted prices for similar securities, interest rates, prepayment speeds, and credit risk. These inputs are based on market data obtained from independent sources.

Level 3 – unobservable inputs reflecting our own assumptions based on the best information available. We do not value any of our investments using Level 3 inputs.

These levels are not necessarily an indication of the risk or liquidity associated with our investments. There have been no material transfers between the levels in 2013 or 2014. The following table summarizes our investments (in millions) that are recognized in our consolidated balance sheets at year-end using fair value measurements determined based on the differing levels of inputs.



	Level 1		Level 2
2013
Cash equivalents	$	1,288.1	$	—
Investments in sponsored funds	1,611.9		—
Investments held as trading	21.0		—
Total	$	2,921.0	$	—

2014
Cash equivalents	$	1,345.8	$	—
Investments in sponsored funds	1,884.0		—
Investments held as trading	27.7		52.2
Total	$	3,257.5	$	52.2

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

PROPERTY AND EQUIPMENT.

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property and equipment


NOTE 6	– PROPERTY AND EQUIPMENT.

Property and equipment (in millions) at December 31 consists of:



	2013		2014
Computer and communications software and equipment	$	430.4	$	512.0
Buildings and improvements	386.6		397.1
Leasehold improvements	93.2		93.7
Furniture and other equipment	131.1		131.6
Land	40.3		40.3
Leased land	2.7		2.7
	1,084.3		1,177.4
Less accumulated depreciation and amortization	511.4		591.0
Total	$	572.9	$	586.4

Compensation and related costs attributable to the development of computer software for internal use totaling $14.9 million in 2012, $15.5 million in 2013, and $19.6 million in 2014 have been capitalized.

We occupy certain office facilities and lease computer and other equipment under noncancelable operating leases. Related rental expense was $28.3 million in 2012, $31.5 million in 2013, and $29.3 million in 2014. Future minimum payments under these leases aggregate $26.4 million in 2015, $25.1 million in 2016, $22.9 million in 2017, $23.8 million in 2018, $22.5 million in 2019, and $119.9 million in later years.

INCOME TAXES.

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Income taxes


NOTE 7	– INCOME TAXES.

The provision for income taxes (in millions) consists of:



	2012		2013		2014
Current income taxes
U.S. federal	$	437.3	$	523.3	$	635.8
State and local	73.8		92.9		126.8
Foreign	31.3		20.7		16.3
Deferred income taxes (tax benefits)	9.1		15.8		(5.4		)
Total	$	551.5	$	652.7	$	773.5

Deferred income taxes and benefits arise from temporary differences between taxable income for financial statement and income tax return purposes. Deferred income taxes in 2012 include $14.2 million from the reversal of deferred tax assets related to other-than-temporary impairments previously recognized on sponsored fund investments that were sold in 2012 offset by deferred tax benefits of $5.2 million related to accrued compensation. Deferred income taxes in 2013 include $5.2 million from the reversal of the deferred tax assets related to accrued compensation that were established in 2012, $5.3 million related to property and equipment, and $4.3 million from the reversal of deferred tax assets related to other-than-temporary impairments previously recognized on sponsored fund investments that were sold in 2013. Deferred income tax benefits in 2014 included $11.2 million related to stock-based compensation offset in part by $4.7 million from the reversal of deferred tax assets related to other-than-temporary impairments previously recognized on sponsored fund investments that were sold in 2014, and $2.0 million related to property and equipment.

The following table reconciles the statutory federal income tax rate to the effective income tax rate.



	2012		2013		2014
Statutory U.S. federal income tax rate	35.0	%	35.0	%	35.0	%
State income taxes for current year, net of federal income tax benefits	3.5		3.7		4.0
Other items	(.1	)	(.3	)	(.4	)
Effective income tax rate	38.4	%	38.4	%	38.6	%

The net deferred tax asset (liability) (in millions) recognized in our consolidated balance sheets in income taxes payable at December 31, 2013, and other assets at December 31, 2014, includes the following:



	December 31,
	2013			2014
Deferred tax liabilities
Related to property and equipment	$	(36.3	)	$	(38.3	)
Recognized in other comprehensive income on net unrealized holding gains	(137.5		)	(106.0		)
Other	(19.4		)	(21.9		)
	(193.2		)	(166.2		)
Deferred tax assets
Related to stock-based compensation	136.7			147.9
Related to other-than-temporary impairments of investments in sponsored funds	30.4			25.7
Related to accrued compensation	2.9			3.0
Recognized in other comprehensive income on currency translation adjustment	15.0			15.7
Other	5.3			9.9
	190.3			202.2
Net deferred tax asset (liability)	$	(2.9	)	$	36.0

A deferred tax liability for unremitted earnings of our foreign subsidiaries has not been recognized, as it is our intention to indefinitely reinvest these earnings outside the U.S. The unremitted earnings of these subsidiaries are estimated to be $326.0 million at December 31, 2014. If these earnings were distributed to the U.S. in the form of dividends or otherwise, or if any of the entities were sold or otherwise transferred, we would be subject to U.S. income taxes, less any foreign tax credits. Determination of the amount of the unrecognized deferred tax liability related to these earnings is not practicable.

Other assets includes tax refund receivables of $1.2 million at December 31, 2013, and $61.7 million at December 31, 2014.

Cash outflows from operating activities include net income taxes paid of $514.9 million in 2012, $532.9 million in 2013, and $763.7 million in 2014.

Additional income tax benefits of $60.9 million in 2012, $45.9 million in 2013, and $53.4 million in 2014 arising from stock-based compensation plans activity reduced the amount of income taxes that would have otherwise been payable.

The following table summarizes the changes in our unrecognized tax benefits (in millions).



	2012			2013			2014
Balance at beginning of year	$	4.7		$	4.9		$	4.8
Changes in tax positions related to
Current year	.9			.7			1.0
Prior years	.2			—			(.2		)
Expired statute of limitations	(.9		)	(.8		)	—
Balance at end of year	$	4.9		$	4.8		$	5.6

If recognized, these tax benefits would affect our effective tax rate; however, we do not expect that unrecognized tax benefits for tax positions taken with respect to 2014 and prior years will significantly change in 2015. The U.S. has concluded examinations related to federal tax obligations through the year 2009. Net interest payable recognized in our consolidated balance sheets was $1.0 million at December 31, 2013, and $1.3 million at December 31, 2014. Our accounting policy with respect to interest and penalties arising from income tax settlements is to recognize them as part of our provision for income taxes. Interest recognized as part of our provision for income taxes was not material.

STOCKHOLDERS' EQUITY.

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Stockholders' equity


NOTE 8	– STOCKHOLDERS' EQUITY.

SHARE REPURCHASES.

The Board of Directors has authorized the future repurchase of up to 20,900,804 common shares as of December 31, 2014.

DIVIDENDS.

Regular cash dividends declared per share were $1.36 in 2012, $1.52 in 2013, and $1.76 in 2014. In December 2012, the Board of Directors also declared a special dividend of $1.00 per share that was paid on December 28, 2012.

RESTRICTED CAPITAL.

Our consolidated stockholders' equity at December 31, 2014, includes about $95 million that is restricted as to use by various regulations and agreements arising in the ordinary course of our business.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 4.E)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Paragraph d
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Reference 15: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 02
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
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Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Number 210
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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-Article 3

+ Details

STOCK-BASED COMPENSATION.

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-based compensation


NOTE 9	– STOCK-BASED COMPENSATION.

SHARES AUTHORIZED FOR STOCK-BASED COMPENSATION PROGRAMS.

At December 31, 2014, a total of 44,918,174 shares of unissued common stock were authorized for issuance under our stock-based compensation plans. Additionally, a total of 3,412,508 shares are authorized for issuance under a plan whereby substantially all employees may acquire common stock through payroll deductions at prevailing market prices.

STOCK OPTIONS.

The following table summarizes the status of and changes in our stock option grants during 2014.



	Options		Weighted- average exercise price		Weighted-average remaining contractual term in years
Outstanding at December 31, 2013	31,574,958		$	52.18
Semiannual grants	3,506,465		$	80.15
New hire grants	37,250		$	80.04
Non-employee director grants	16,800		$	80.81
Exercised	(4,924,172	)	$	42.74
Forfeited	(448,836	)	$	61.37
Expired	(946	)	$	52.62
Outstanding at December 31, 2014	29,761,519		$	56.95	5.8
Exercisable at December 31, 2014	18,631,393		$	50.14	4.5

Compensation and related costs includes a charge for stock option-based compensation expense of $74.5 million in 2012, $64.2 million in 2013, and $63.4 million in 2014.

The total intrinsic value of options exercised was $239.6 million in 2012, $182.6 million in 2013, and $196.5 million in 2014. At December 31, 2014, the aggregate intrinsic value of in-the-money options outstanding was $860.5 million, including $665.4 million related to options exercisable.

RESTRICTED SHARES AND STOCK UNITS.

The following table summarizes the status of and changes in our nonvested restricted shares and restricted stock units during 2014.



	Restricted shares		Restricted stock units		Weighted- average fair value
Nonvested at December 31, 2013	1,877,086		823,593		$	67.21
Granted to employees and non-employee directors - time based	759,135		374,445		$	80.17
Granted to employees - performance based	12,000		67,200		$	80.14
Vested (value at vest date was $58.6 million)	(469,469	)	(230,268	)	$	64.78
Forfeited	(117,193	)	(28,217	)	$	69.29
Nonvested at December 31, 2014	2,061,559		1,006,753		$	72.79

The nonvested at December 31, 2014, includes 45,600 performance-based restricted shares and 159,525 performance-based restricted stock units. These nonvested performance-based restricted shares and units include 33,600 shares and 92,325 units for which the performance period has lapsed and the performance threshold has been met.

Compensation and related costs includes expenses for restricted shares and restricted stock units of $29.6 million in 2012, $50.4 million in 2013, and $70.0 million in 2014.

At December 31, 2014, non-employee directors held 48,262 vested stock units that will convert to common shares upon their separation from the Board.

FUTURE STOCK–BASED COMPENSATION EXPENSE.

The following table presents the compensation expense (in millions) to be recognized over the remaining vesting periods of the stock-based compensation awards outstanding at December 31, 2014. Estimated future compensation expense will change to reflect future awards, including options, unrestricted shares, restricted shares, and restricted stock units; changes in estimated forfeitures; changes in the probability of performance thresholds being met; and adjustments for actual forfeitures.



First quarter 2015	$	29.0
Second quarter 2015	28.7
Third quarter 2015	28.4
Fourth quarter 2015	24.9
2015	111.0
2016 through 2019	116.0
Total	$	227.0

EARNINGS PER SHARE CALCULATIONS.

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Earnings per share calculations


NOTE 10	– EARNINGS PER SHARE CALCULATIONS.

The following table presents the reconciliation (in millions) of our net income to net income allocated to our common stockholders and the weighted-average shares (in millions) that are used in calculating the basic and diluted earnings per share on our common stock. Weighted-average common shares outstanding assuming dilution reflects the potential dilution, determined using the treasury stock method that could occur if outstanding stock options were exercised and non-participating stock awards vested.



	2012			2013			2014
Net income	$	883.6		$	1,047.7		$	1,229.6
Less net income allocated to outstanding restricted stock and stock unit holders	(5.5		)	(9.3		)	(14.2		)
Net income allocated to common stockholders	$	878.1		$	1,038.4		$	1,215.4

Weighted-average common shares
Outstanding	253.4			258.3			259.6
Outstanding assuming dilution	261.0			266.3			267.4

The following table shows the weighted-average outstanding stock options (in millions) that are excluded from the calculation of diluted earnings per common share as the inclusion of such shares would be anti-dilutive.



	2012	2013	2014
Weighted-average outstanding stock options excluded	5.4	3.1	3.8

OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME.

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Other comprehensive income and accumulated other comprehensive income


NOTE 11	– OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME.

The following table presents the deferred tax benefits (income taxes) impact of the components (in millions) of other comprehensive income.



	2012			2013			2014
Deferred tax benefits (income taxes) on:
Net unrealized holding gains or losses	$	(39.7	)	$	(57.8	)	$	.8
Reclassification adjustments:
Recognized in the provision for income taxes related to capital gain distributions	1.8			6.0			11.9
Recognized in the provision for income taxes related to net gains realized on dispositions	13.6			5.3			18.8
Recognized in non-operating investment income for net unrealized holding gains derecognized upon the sale of savings bank subsidiary	—			.6			—
Net deferred tax benefits (income taxes) on net unrealized holding gains or losses recognized in other comprehensive income	(24.3		)	(45.9		)	31.5
Deferred tax benefits on currency translation adjustments	3.7			8.3			.7
Total deferred tax benefits (income taxes)	$	(20.6	)	$	(37.6	)	$	32.2

The changes (in millions) in each component of accumulated other comprehensive income for each year ended December 31 are presented below.



	Net unrealized holding gains
	Investments in sponsored funds			Debt securities held by savings bank subsidiary			Equity share of UTI’s net unrealized holding gains			Total net unrealized holding gains			Currency translation adjustments			Total
Balances at December 31, 2011	$	106.3		$	1.9		$	.2		$	108.4		$	(5.6	)	$	102.8
Other comprehensive income (loss) before reclassifications and income taxes	99.9			.1			.2			100.2			(10.7		)	89.5
Reclassification adjustments recognized in non-operating investment income	(39.8		)	—			—			(39.8		)	—			(39.8		)
	60.1			.1			.2			60.4			(10.7		)	49.7
Deferred tax benefits (income taxes)	(24.1		)	(.1		)	(.1		)	(24.3		)	3.7			(20.6		)
Other comprehensive income (loss)	36.0			—			.1			36.1			(7.0		)	29.1
Balances at December 31, 2012	142.3			1.9			.3			144.5			(12.6		)	131.9
Other comprehensive income (loss) before reclassifications and income taxes	149.7			(1.6		)	—			148.1			(23.7		)	124.4
Reclassification adjustments recognized in non-operating investment income	(28.8		)	(1.6		)	—			(30.4		)	—			(30.4		)
	120.9			(3.2		)	—			117.7			(23.7		)	94.0
Deferred tax benefits (income taxes)	(47.2		)	1.3			—			(45.9		)	8.3			(37.6		)
Other comprehensive income (loss)	73.7			(1.9		)	—			71.8			(15.4		)	56.4
Balances at December 31, 2013	216.0			—			.3			216.3			(28.0		)	188.3
Other comprehensive income (loss) before reclassifications and income taxes	(2.1		)	—			.2			(1.9		)	(1.8		)	(3.7		)
Reclassification adjustments recognized in non-operating investment income	(80.4		)	—			—			(80.4		)	—			(80.4		)
	(82.5		)	—			.2			(82.3		)	(1.8		)	(84.1		)
Deferred tax benefits	31.5			—			—			31.5			.7			32.2
Other comprehensive income (loss)	(51.0		)	—			.2			(50.8		)	(1.1		)	(51.9		)
Balances at December 31, 2014	$	165.0		$	—		$	.5		$	165.5		$	(29.1	)	$	136.4

- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669619-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e716-108580

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e709-108580

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

+ Details

OTHER DISCLOSURES.

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Other disclosures


NOTE 12	– OTHER DISCLOSURES.

CONTINGENCIES.

From time to time, various claims against us arise in the ordinary course of business, including employment-related claims. In the opinion of management, after consultation with counsel, the likelihood that an adverse determination in one or more pending claims would have a material adverse effect on our financial position or results of operations is remote.

RETIREMENT PLANS.

Compensation and related costs includes expense recognized for our defined contribution retirement plans of $58.2 million in 2012, $61.8 million in 2013, and $70.6 million in 2014.

SAVINGS BANK SUBSIDIARY.

On May 23, 2013, we entered into an agreement to sell 100% of the capital stock of our savings bank subsidiary to Jacob M. Safra for cash equal to the bank's net book value on the closing date plus $500,000. We completed the sale on December 5, 2013, for proceeds of $23.6 million. The total gain we recognized in non-operating investment income also included $1.0 million of net unrealized holding gains previously recognized on the saving bank's available-for-sale portfolio that were reclassified from accumulated other comprehensive income.

SUPPLEMENTARY QUARTERLY FINANCIAL DATA (Unaudited).

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Supplementary quarterly financial data (unaudited)


NOTE 13	– SUPPLEMENTARY QUARTERLY FINANCIAL DATA (Unaudited).



	Net revenues		Net income		Basic earnings on common stock		Diluted earnings on common stock
	(in millions)				(per share)
2013
1st quarter	$	815.7	$	241.9	$	.93	$	.91
2nd quarter	$	854.3	$	247.8	$	.95	$	.92
3rd quarter	$	884.4	$	270.3	$	1.03	$	1.00
4th quarter	$	929.8	$	287.7	$	1.10	$	1.06

2014
1st quarter	$	954.6	$	304.3	$	1.16	$	1.12
2nd quarter	$	984.3	$	305.8	$	1.16	$	1.13
3rd quarter	$	1,020.8	$	303.6	$	1.15	$	1.12
4th quarter	$	1,022.4	$	315.9	$	1.21	$	1.18

The sums of quarterly earnings per share do not equal annual earnings per share because the computations are done independently.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (by policy)

12 Months Ended

Dec. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Nature of operations

Basis of preparation - basis of accounting

These consolidated financial statements have been prepared by our management in accordance with accounting principles generally accepted in the U.S.

Basis of preparation - use of estimates

These principles require that we make certain estimates and assumptions. Actual results may vary from our estimates.

Basis of preparation - reclassifications

Certain prior year amounts have been reclassified to conform to the 2014 presentation.

Consolidation

Cash equivalents

Cash equivalents consist primarily of short-term, highly liquid investments in our sponsored money market mutual funds. The cost of these funds is equivalent to fair value.

Investments in sponsored funds - available for sale

Other investments - cost and equity method investments

Cost method investments consist of investments in entities over which we do not exercise significant influence over the operating and financial policies of the investee.

Other investments - trading securities

Concentrations of risk

Property and equipment

Goodwill

Revenue recognition - investment advisory, distribution, and servicing fees

Revenue recognition - taxes billed to clients

Taxes billed to our clients based on our fees for services rendered are not included in revenues.

Advertising

Costs of advertising are expensed the first time that the advertising takes place.

Stock-based compensation



	Weighted-average
	2012			2013			2014
Grant-date fair value per option awarded	$	16.27		$	19.56		$	21.12
Assumptions used:
Expected life in years	6.8			7.0			7.0
Expected volatility	32		%	31		%	30		%
Dividend yield	2.1		%	2.1		%	2.2		%
Risk-free interest rate	1.3		%	1.9		%	2.2		%

Earnings per share

Comprehensive income

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2014

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]

Assumptions used in option pricing model and grant date fair value of options

We use the Black-Scholes option-pricing model to estimate the fair value of each option grant as follows:



	Weighted-average
	2012			2013			2014
Grant-date fair value per option awarded	$	16.27		$	19.56		$	21.12
Assumptions used:
Expected life in years	6.8			7.0			7.0
Expected volatility	32		%	31		%	30		%
Dividend yield	2.1		%	2.1		%	2.2		%
Risk-free interest rate	1.3		%	1.9		%	2.2		%

INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES. (Tables)

12 Months Ended

Dec. 31, 2014

Information about Receivables, Revenues, and Services [Abstract]

Components of revenues from advisory services

Revenues (in millions) from advisory services provided under agreements with our sponsored mutual funds and other investment clients include:



	2012		2013		2014
Sponsored U.S. mutual funds
Stock and blended asset	$	1,437.6	$	1,759.7	$	2,086.0
Bond and money market	352.7		366.4		399.8
	1,790.3		2,126.1		2,485.8
Other investment portfolios
Stock and blended asset	635.1		735.6		824.5
Bond, money market, and stable value	166.6		160.9		154.2
	801.7		896.5		978.7
Total	$	2,592.0	$	3,022.6	$	3,464.5

Components of assets under management

The following table summarizes the investment portfolios and assets under management (in billions) on which we earn advisory fees.



	Average during						As of December 31,
	2012		2013		2014		2013		2014
Sponsored U.S. mutual funds
Stock and blended asset	$	241.6	$	299.1	$	359.3	$	341.7	$	373.0
Bond and money market	85.0		92.1		101.6		93.6		104.6
	326.6		391.2		460.9		435.3		477.6
Other investment portfolios
Stock and blended asset	158.0		179.3		201.6		195.3		206.9
Bond, money market, and stable value	64.8		63.3		62.2		61.8		62.3
	222.8		242.6		263.8		257.1		269.2
Total	$	549.4	$	633.8	$	724.7	$	692.4	$	746.8

Components of other fees

The following table summarizes the other fees (in millions) earned from our sponsored U.S. mutual funds.



	2012		2013		2014
Administrative fees	$	258.3	$	264.8	$	296.1
Distribution and servicing fees	$	96.1	$	117.2	$	143.6

INVESTMENTS IN SPONSORED FUNDS - AVAILABLE-FOR-SALE. (Tables)

12 Months Ended

Dec. 31, 2014

Available-for-sale Securities [Abstract]

Investments in sponsored funds reconciliation

Our investments (in millions) in sponsored funds accounted for as available-for-sale at December 31 include:



	Aggregate cost		Unrealized holding					Aggregate fair value
	Aggregate cost		Gains		Losses			Aggregate fair value
2013
Stock and blended asset funds	$	354.7	$	302.5	$	—		$	657.2
Bond funds	904.0		53.6		(2.9		)	954.7
Total	$	1,258.7	$	356.1	$	(2.9	)	$	1,611.9

2014
Stock and blended asset funds	$	505.4	$	231.4	$	(4.2	)	$	732.6
Bond funds	1,107.9		52.0		(8.5		)	1,151.4
Total	$	1,613.3	$	283.4	$	(12.7	)	$	1,884.0

OTHER INVESTMENTS. (Tables)

12 Months Ended

Dec. 31, 2014

Investments, All Other Investments [Abstract]

Components of other investments

These investments (in millions) at December 31 include:



	2013		2014
Cost method investments
10% interest in Daiwa SB Investments Ltd. (Japan)	$	6.6	$	3.0
Other investments	53.5		60.7
Equity method investments
26% interest in UTI Asset Management Company Limited (India)	122.6		132.4
Sponsored fund investments	104.1		125.6
Other investments	4.8		5.7
Investments held as trading
Sponsored fund investments	8.5		10.3
Securities held by consolidated sponsored investment portfolios	12.5		69.6
U.S. Treasury note	1.0		1.0
Total	$	313.6	$	408.3

FAIR VALUE MEASUREMENTS. (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Fair value measurements table

The following table summarizes our investments (in millions) that are recognized in our consolidated balance sheets at year-end using fair value measurements determined based on the differing levels of inputs.



	Level 1		Level 2
2013
Cash equivalents	$	1,288.1	$	—
Investments in sponsored funds	1,611.9		—
Investments held as trading	21.0		—
Total	$	2,921.0	$	—

2014
Cash equivalents	$	1,345.8	$	—
Investments in sponsored funds	1,884.0		—
Investments held as trading	27.7		52.2
Total	$	3,257.5	$	52.2

PROPERTY AND EQUIPMENT. (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property and equipment table

Property and equipment (in millions) at December 31 consists of:



	2013		2014
Computer and communications software and equipment	$	430.4	$	512.0
Buildings and improvements	386.6		397.1
Leasehold improvements	93.2		93.7
Furniture and other equipment	131.1		131.6
Land	40.3		40.3
Leased land	2.7		2.7
	1,084.3		1,177.4
Less accumulated depreciation and amortization	511.4		591.0
Total	$	572.9	$	586.4

INCOME TAXES. (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of components of income tax provision

The provision for income taxes (in millions) consists of:



	2012		2013		2014
Current income taxes
U.S. federal	$	437.3	$	523.3	$	635.8
State and local	73.8		92.9		126.8
Foreign	31.3		20.7		16.3
Deferred income taxes (tax benefits)	9.1		15.8		(5.4		)
Total	$	551.5	$	652.7	$	773.5

Schedule of effective income tax rate reconciliation

The following table reconciles the statutory federal income tax rate to the effective income tax rate.



	2012		2013		2014
Statutory U.S. federal income tax rate	35.0	%	35.0	%	35.0	%
State income taxes for current year, net of federal income tax benefits	3.5		3.7		4.0
Other items	(.1	)	(.3	)	(.4	)
Effective income tax rate	38.4	%	38.4	%	38.6	%

Schedule of deferred tax assets and liabilities



	December 31,
	2013			2014
Deferred tax liabilities
Related to property and equipment	$	(36.3	)	$	(38.3	)
Recognized in other comprehensive income on net unrealized holding gains	(137.5		)	(106.0		)
Other	(19.4		)	(21.9		)
	(193.2		)	(166.2		)
Deferred tax assets
Related to stock-based compensation	136.7			147.9
Related to other-than-temporary impairments of investments in sponsored funds	30.4			25.7
Related to accrued compensation	2.9			3.0
Recognized in other comprehensive income on currency translation adjustment	15.0			15.7
Other	5.3			9.9
	190.3			202.2
Net deferred tax asset (liability)	$	(2.9	)	$	36.0

Schedule of unrecognized tax benefits

The following table summarizes the changes in our unrecognized tax benefits (in millions).



	2012			2013			2014
Balance at beginning of year	$	4.7		$	4.9		$	4.8
Changes in tax positions related to
Current year	.9			.7			1.0
Prior years	.2			—			(.2		)
Expired statute of limitations	(.9		)	(.8		)	—
Balance at end of year	$	4.9		$	4.8		$	5.6

STOCK-BASED COMPENSATION. (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Rollforward of stock options

The following table summarizes the status of and changes in our stock option grants during 2014.



	Options		Weighted- average exercise price		Weighted-average remaining contractual term in years
Outstanding at December 31, 2013	31,574,958		$	52.18
Semiannual grants	3,506,465		$	80.15
New hire grants	37,250		$	80.04
Non-employee director grants	16,800		$	80.81
Exercised	(4,924,172	)	$	42.74
Forfeited	(448,836	)	$	61.37
Expired	(946	)	$	52.62
Outstanding at December 31, 2014	29,761,519		$	56.95	5.8
Exercisable at December 31, 2014	18,631,393		$	50.14	4.5

Rollforward of nonvested restricted shares and restricted stock units

The following table summarizes the status of and changes in our nonvested restricted shares and restricted stock units during 2014.



	Restricted shares		Restricted stock units		Weighted- average fair value
Nonvested at December 31, 2013	1,877,086		823,593		$	67.21
Granted to employees and non-employee directors - time based	759,135		374,445		$	80.17
Granted to employees - performance based	12,000		67,200		$	80.14
Vested (value at vest date was $58.6 million)	(469,469	)	(230,268	)	$	64.78
Forfeited	(117,193	)	(28,217	)	$	69.29
Nonvested at December 31, 2014	2,061,559		1,006,753		$	72.79

Future stock-based compensation expense



First quarter 2015	$	29.0
Second quarter 2015	28.7
Third quarter 2015	28.4
Fourth quarter 2015	24.9
2015	111.0
2016 through 2019	116.0
Total	$	227.0

EARNINGS PER SHARE CALCULATIONS. (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Earnings per share reconciliation



	2012			2013			2014
Net income	$	883.6		$	1,047.7		$	1,229.6
Less net income allocated to outstanding restricted stock and stock unit holders	(5.5		)	(9.3		)	(14.2		)
Net income allocated to common stockholders	$	878.1		$	1,038.4		$	1,215.4

Weighted-average common shares
Outstanding	253.4			258.3			259.6
Outstanding assuming dilution	261.0			266.3			267.4

Antidilutive securities



	2012	2013	2014
Weighted-average outstanding stock options excluded	5.4	3.1	3.8

OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME. (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Deferred tax benefit (income tax) impact of the components of other comprehensive income

The following table presents the deferred tax benefits (income taxes) impact of the components (in millions) of other comprehensive income.



	2012			2013			2014
Deferred tax benefits (income taxes) on:
Net unrealized holding gains or losses	$	(39.7	)	$	(57.8	)	$	.8
Reclassification adjustments:
Recognized in the provision for income taxes related to capital gain distributions	1.8			6.0			11.9
Recognized in the provision for income taxes related to net gains realized on dispositions	13.6			5.3			18.8
Recognized in non-operating investment income for net unrealized holding gains derecognized upon the sale of savings bank subsidiary	—			.6			—
Net deferred tax benefits (income taxes) on net unrealized holding gains or losses recognized in other comprehensive income	(24.3		)	(45.9		)	31.5
Deferred tax benefits on currency translation adjustments	3.7			8.3			.7
Total deferred tax benefits (income taxes)	$	(20.6	)	$	(37.6	)	$	32.2

Changes in accumulated other comprehensive income

The changes (in millions) in each component of accumulated other comprehensive income for each year ended December 31 are presented below.



	Net unrealized holding gains
	Investments in sponsored funds			Debt securities held by savings bank subsidiary			Equity share of UTI’s net unrealized holding gains			Total net unrealized holding gains			Currency translation adjustments			Total
Balances at December 31, 2011	$	106.3		$	1.9		$	.2		$	108.4		$	(5.6	)	$	102.8
Other comprehensive income (loss) before reclassifications and income taxes	99.9			.1			.2			100.2			(10.7		)	89.5
Reclassification adjustments recognized in non-operating investment income	(39.8		)	—			—			(39.8		)	—			(39.8		)
	60.1			.1			.2			60.4			(10.7		)	49.7
Deferred tax benefits (income taxes)	(24.1		)	(.1		)	(.1		)	(24.3		)	3.7			(20.6		)
Other comprehensive income (loss)	36.0			—			.1			36.1			(7.0		)	29.1
Balances at December 31, 2012	142.3			1.9			.3			144.5			(12.6		)	131.9
Other comprehensive income (loss) before reclassifications and income taxes	149.7			(1.6		)	—			148.1			(23.7		)	124.4
Reclassification adjustments recognized in non-operating investment income	(28.8		)	(1.6		)	—			(30.4		)	—			(30.4		)
	120.9			(3.2		)	—			117.7			(23.7		)	94.0
Deferred tax benefits (income taxes)	(47.2		)	1.3			—			(45.9		)	8.3			(37.6		)
Other comprehensive income (loss)	73.7			(1.9		)	—			71.8			(15.4		)	56.4
Balances at December 31, 2013	216.0			—			.3			216.3			(28.0		)	188.3
Other comprehensive income (loss) before reclassifications and income taxes	(2.1		)	—			.2			(1.9		)	(1.8		)	(3.7		)
Reclassification adjustments recognized in non-operating investment income	(80.4		)	—			—			(80.4		)	—			(80.4		)
	(82.5		)	—			.2			(82.3		)	(1.8		)	(84.1		)
Deferred tax benefits	31.5			—			—			31.5			.7			32.2
Other comprehensive income (loss)	(51.0		)	—			.2			(50.8		)	(1.1		)	(51.9		)
Balances at December 31, 2014	$	165.0		$	—		$	.5		$	165.5		$	(29.1	)	$	136.4

SUPPLEMENTARY QUARTERLY FINANCIAL DATA (Unaudited). (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Supplementary quarterly financial data



	Net revenues		Net income		Basic earnings on common stock		Diluted earnings on common stock
	(in millions)				(per share)
2013
1st quarter	$	815.7	$	241.9	$	.93	$	.91
2nd quarter	$	854.3	$	247.8	$	.95	$	.92
3rd quarter	$	884.4	$	270.3	$	1.03	$	1.00
4th quarter	$	929.8	$	287.7	$	1.10	$	1.06

2014
1st quarter	$	954.6	$	304.3	$	1.16	$	1.12
2nd quarter	$	984.3	$	305.8	$	1.16	$	1.13
3rd quarter	$	1,020.8	$	303.6	$	1.15	$	1.12
4th quarter	$	1,022.4	$	315.9	$	1.21	$	1.18

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Investments) (Detail)	12 Months Ended
	Dec. 31, 2014
Available-for-sale Securities [Abstract]
Duration of fund holding unrealized loss between quarter ends generally presumed to represent other than temporary impairment	6 months

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property and Equipment) (Detail) - Weighted average [Member]	12 Months Ended
	Dec. 31, 2014
Computer and communications software and equipment [Member]
Property and equipment
Estimated useful life	3 years
Buildings and improvements [Member]
Property and equipment
Estimated useful life	33 years
Leasehold improvements [Member]
Property and equipment
Estimated useful life	9 years
Furniture and other equipment [Member]
Property and equipment
Estimated useful life	7 years
Leased land [Member]
Property and equipment
Estimated useful life	99 years

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Goodwill) (Detail)	12 Months Ended
	Dec. 31, 2014 reporting_unit Segment
Goodwill and Intangible Assets Disclosure [Abstract]
Number of distinct operating segments through which we internally conduct and manage our operations	1
Number of distinct operating segments through which we report our operations	1
Number of reportable business segments and units to which goodwill is attributed \| reporting_unit	1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock-based Compensation) (Detail)	12 Months Ended
	Dec. 31, 2014 Share_Based_Compensation_Plan $ / shares shares	Dec. 31, 2013 $ / shares	Dec. 31, 2012 $ / shares
Stock awards and options
Weighted-average grant-date fair value per option awarded (in dollars per option) \| $ / shares	$ 21.12	$ 19.56	$ 16.27
Weighted average [Member]
Stock awards and options
Expected life assumption	7 years	7 years	6 years 10 months
Expected volatility assumption	30.00%	31.00%	32.00%
Dividend yield assumption	2.20%	2.10%	2.10%
Risk-free interest rate assumption	2.20%	1.90%	1.30%
Stock-based compensation plan [Member]
Stock awards and options
Shares available for future grant (shares) \| shares	14,101,640
Employee Stock-Based Compensation Programs [Member]
Stock awards and options
Stockholder-approved plans (plans)	3
Employee Stock-Based Compensation Programs [Member] \| Restricted shares and restricted stock units [Member] \| Weighted average [Member]
Stock awards and options
Graded vesting period	5 years 6 months
Employee Stock-Based Compensation Programs [Member] \| Stock options [Member] \| Maximum [Member]
Stock awards and options
Term	10 years
Employee Stock-Based Compensation Programs [Member] \| Stock options [Member] \| Weighted average [Member]
Stock awards and options
Graded vesting period	5 years 6 months
Non-employee director [Member]
Stock awards and options
Stockholder-approved plans (plans)	2
Non-employee director [Member] \| Minimum [Member]
Stock awards and options
Graded vesting period	6 months
Non-employee director [Member] \| Maximum [Member]
Stock awards and options
Graded vesting period	1 year
Non-employee director [Member] \| Stock options [Member] \| Maximum [Member]
Stock awards and options
Term	10 years

CASH EQUIVALENTS. (Detail) - USD ($) $ in Millions	Dec. 31, 2014	Dec. 31, 2013
Cash and Cash Equivalents [Abstract]
Cash equivalent investments in our sponsored money market mutual funds	$ 1,345.8	$ 1,288.1

INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES. (Receivables from Sponsored U.S. Mutual Funds) (Detail) - USD ($) $ in Millions	Dec. 31, 2014	Dec. 31, 2013
Receivables from sponsored mutual funds
Accounts receivable for advisory fees and advisory-related administrative services	$ 442.8	$ 398.8
Sponsored U.S. mutual funds [Member]
Receivables from sponsored mutual funds
Accounts receivable for advisory fees and advisory-related administrative services	$ 245.8	$ 221.9

INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES. (Investment Advisory Services) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Investment advisory services
Revenues from advisory services	$ 3,464.5	$ 3,022.6	$ 2,592.0
Average assets under management	724,700.0	633,800.0	549,400.0
Period end assets under management	746,800.0	692,400.0
Sponsored U.S. mutual funds [Member]
Investment advisory services
Revenues from advisory services	2,485.8	2,126.1	1,790.3
Average assets under management	460,900.0	391,200.0	326,600.0
Period end assets under management	477,600.0	435,300.0
Sponsored U.S. mutual funds [Member] \| Stock and blended asset [Member]
Investment advisory services
Revenues from advisory services	2,086.0	1,759.7	1,437.6
Average assets under management	359,300.0	299,100.0	241,600.0
Period end assets under management	373,000.0	341,700.0
Sponsored U.S. mutual funds [Member] \| Bond and money market [Member]
Investment advisory services
Revenues from advisory services	399.8	366.4	352.7
Average assets under management	101,600.0	92,100.0	85,000.0
Period end assets under management	104,600.0	93,600.0
Other investment portfolios [Member]
Investment advisory services
Revenues from advisory services	978.7	896.5	801.7
Average assets under management	263,800.0	242,600.0	222,800.0
Period end assets under management	269,200.0	257,100.0
Other investment portfolios [Member] \| Stock and blended asset [Member]
Investment advisory services
Revenues from advisory services	824.5	735.6	635.1
Average assets under management	201,600.0	179,300.0	158,000.0
Period end assets under management	206,900.0	195,300.0
Other investment portfolios [Member] \| Bond, money market, and stable value [Member]
Investment advisory services
Revenues from advisory services	154.2	160.9	166.6
Average assets under management	62,200.0	63,300.0	$ 64,800.0
Period end assets under management	$ 62,300.0	$ 61,800.0

INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES. (Revenues and Services Concentration) (Detail) - Geographic concentration [Member]	Dec. 31, 2014	Dec. 31, 2013
Revenues and services concentration
Concentration risk, additional characteristic	investment advisory clients outside the U.S.	investment advisory clients outside the U.S.
Concentration risk, percentage	5.60%	6.50%
Concentration risk, benchmark description	assets under management at December 31, 2014	assets under management at December 31, 2013

INFORMATION ABOUT RECEIVABLES, REVENUES, AND SERVICES. (Administrative and Distribution Services Provided to Sponsored U.S Mutual Funds) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Administrative and distribution services provided to sponsored U.S. mutual funds
Administrative fees	$ 374.0	$ 343.7	$ 332.6
Distribution and servicing fees	143.6	117.2	96.1
Sponsored U.S. mutual funds [Member]
Administrative and distribution services provided to sponsored U.S. mutual funds
Administrative fees	296.1	264.8	258.3
Distribution and servicing fees	$ 143.6	$ 117.2	$ 96.1

INVESTMENTS IN SPONSORED FUNDS - AVAILABLE-FOR-SALE. (Investments) (Detail) $ in Millions	Dec. 31, 2014 USD ($) security	Dec. 31, 2013 USD ($) security
Investments in sponsored funds - available-for-sale
Aggregate cost	$ 1,613.3	$ 1,258.7
Unrealized holding gains	283.4	356.1
Unrealized holding losses	(12.7)	(2.9)
Aggregate fair value	$ 1,884.0	$ 1,611.9
Fund holdings with temporary unrealized holding losses (number of securities) \| security	12	6
Unrealized holding losses at December 31, 2013 are attributable to fund holdings with an aggregate fair value of		$ 155.9
Unrealized holding losses at December 31, 2014 are attributable to fund holdings with an aggregate fair value of	$ 788.5
Stock and blended asset funds [Member]
Investments in sponsored funds - available-for-sale
Aggregate cost	505.4	354.7
Unrealized holding gains	231.4	302.5
Unrealized holding losses	(4.2)	0.0
Aggregate fair value	732.6	657.2
Bond funds [Member]
Investments in sponsored funds - available-for-sale
Aggregate cost	1,107.9	904.0
Unrealized holding gains	52.0	53.6
Unrealized holding losses	(8.5)	(2.9)
Aggregate fair value	$ 1,151.4	$ 954.7

INVESTMENTS IN SPONSORED FUNDS - AVAILABLE-FOR-SALE. (Dividends Earned) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Investments in sponsored funds [Member]
Investment income
Dividends, excluding capital gain distributions	$ 14.7	$ 10.6	$ 11.8

OTHER INVESTMENTS. (Detail) - USD ($)	12 Months Ended
OTHER INVESTMENTS. (Detail) - USD ($)	Dec. 31, 2014	Dec. 31, 2013
Other investments
U.S. Treasury note	$ 1,000,000	$ 1,000,000
Total	408,300,000	313,600,000
Deconsolidation value	25,500,000	106,300,000
Gain recognized upon deconsolidation	0	0
Commitment to make additional contributions to various investment partnerships	36,600,000
Sponsored mutual fund investments [Member]
Other investments
Investments held as trading	10,300,000	8,500,000
Securities held by consolidated sponsored investment portfolios [Member]
Other investments
Investments held as trading	69,600,000	12,500,000
26% Interest in UTI Asset Management Company Limited (India) [Member]
Other investments
Equity method investments	$ 132,400,000	$ 122,600,000
Equity method investment (ownership percentage)	26.00%	26.00%
Sponsored fund investments [Member]
Other investments
Equity method investments	$ 125,600,000	$ 104,100,000
Other equity method investments [Member]
Other investments
Equity method investments	5,700,000	4,800,000
10% Interest in Daiwa SB Investments Ltd. (Japan) [Member]
Other investments
Cost method investments	$ 3,000,000	$ 6,600,000
Cost method investment (ownership percentage)	10.00%	10.00%
Other cost method investments [Member]
Other investments
Cost method investments	$ 60,700,000	$ 53,500,000

FAIR VALUE MEASUREMENTS. (Detail) - USD ($) $ in Millions	Dec. 31, 2014	Dec. 31, 2013
Fair value measurements
Investments in sponsored funds	$ 1,884.0	$ 1,611.9
Level 1 [Member]
Fair value measurements
Total	3,257.5	2,921.0
Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Fair value measurements
Cash equivalents	1,345.8	1,288.1
Investments in sponsored funds	1,884.0	1,611.9
Investments held as trading	27.7	21.0
Level 2 [Member]
Fair value measurements
Total	52.2	0.0
Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Fair value measurements
Cash equivalents	0.0	0.0
Investments in sponsored funds	0.0	0.0
Investments held as trading	$ 52.2	$ 0.0

PROPERTY AND EQUIPMENT. (Owned) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property and equipment
Property and equipment, gross	$ 1,177.4	$ 1,084.3
Less accumulated depreciation and amortization	591.0	511.4
Total	586.4	572.9
Computer and communications software and equipment [Member]
Property and equipment
Property and equipment, gross	512.0	430.4
Buildings and improvements [Member]
Property and equipment
Property and equipment, gross	397.1	386.6
Leasehold improvements [Member]
Property and equipment
Property and equipment, gross	93.7	93.2
Furniture and other equipment [Member]
Property and equipment
Property and equipment, gross	131.6	131.1
Land [Member]
Property and equipment
Property and equipment, gross	40.3	40.3
Leased land [Member]
Property and equipment
Property and equipment, gross	2.7	2.7
Compensation and related costs attributable to the development of computer software for internal use [Member]
Property and equipment
Property and equipment, additions	$ 19.6	$ 15.5	$ 14.9

PROPERTY AND EQUIPMENT. (Leased) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Leases, Operating [Abstract]
Rental expense	$ 29.3	$ 31.5	$ 28.3
Future minimum operating lease payments
Future minimum operating lease payments, due in 2015	26.4
Future minimum operating lease payments, due in 2016	25.1
Future minimum operating lease payments, due in 2017	22.9
Future minimum operating lease payments, due in 2018	23.8
Future minimum operating lease payments, due in 2019	22.5
Future minimum operating lease payments, due in later years	$ 119.9

INCOME TAXES. (Provision and Effective Tax Rate Reconciliation) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current income taxes
U.S. federal	$ 635.8	$ 523.3	$ 437.3
State and local	126.8	92.9	73.8
Foreign	16.3	20.7	31.3
Deferred income taxes (tax benefits)	(5.4)	15.8	9.1
Total	$ 773.5	$ 652.7	$ 551.5
Statutory U.S. federal income tax rate (percentage)	35.00%	35.00%	35.00%
State income taxes for current year, net of federal income tax benefits (percentage)	4.00%	3.70%	3.50%
Other items (percentage)	(0.40%)	(0.30%)	(0.10%)
Effective income tax rate (percentage)	38.60%	38.40%	38.40%
Related to other-than-temporary impairments previously recognized on sponsored fund investments [Member]
Current income taxes
Deferred income taxes (tax benefits)	$ 4.7	$ 4.3	$ 14.2
Related to accrued compensation [Member]
Current income taxes
Deferred income taxes (tax benefits)		5.2	$ (5.2)
Relating to property and equipment [Member]
Current income taxes
Deferred income taxes (tax benefits)	2.0	$ 5.3
Relating to the recognition of stock-based compensation expense [Member]
Current income taxes
Deferred income taxes (tax benefits)	$ (11.2)

INCOME TAXES. (Net Deferred Tax Asset (Liability) and Other Tax Disclosures) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets
Estimated unremitted earnings of foreign subsidiaries, for which a deferred tax liability has not been recognized	$ 326.0
Net income taxes paid included in cash outflows from operating activities	763.7	$ 532.9	$ 514.9
Additional income tax benefits from stock-based compensation plans activity that reduced the amount of income taxes that would have otherwise been payable	53.4	45.9	$ 60.9
Income taxes payable [Member]
Deferred tax liabilities
Related to property and equipment		(36.3)
Recognized in other comprehensive income on net unrealized holding gains		(137.5)
Other		(19.4)
Total deferred tax liabilities		(193.2)
Deferred tax assets
Related to stock-based compensation		136.7
Related to other-than-temporary impairments of investments in sponsored funds		30.4
Related to accrued compensation		2.9
Recognized in other comprehensive income on currency translation adjustment		15.0
Other		5.3
Total deferred tax assets		190.3
Net deferred tax asset (liability)		(2.9)
Other assets [Member]
Deferred tax liabilities
Related to property and equipment	(38.3)
Recognized in other comprehensive income on net unrealized holding gains	(106.0)
Other	(21.9)
Total deferred tax liabilities	(166.2)
Deferred tax assets
Related to stock-based compensation	147.9
Related to other-than-temporary impairments of investments in sponsored funds	25.7
Related to accrued compensation	3.0
Recognized in other comprehensive income on currency translation adjustment	15.7
Other	9.9
Total deferred tax assets	202.2
Net deferred tax asset (liability)	36.0
Tax refund receivables	$ 61.7	$ 1.2

INCOME TAXES. (Unrecognized Tax Benefits) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Uncertainties [Abstract]
Balance at beginning of year	$ 4.8	$ 4.9	$ 4.7
Changes in tax positions related to current year	1.0	0.7	0.9
Changes in tax positions related to prior years	(0.2)	0.0	0.2
Changes in tax positions related to expired statute of limitations	0.0	(0.8)	(0.9)
Balance at end of year	5.6	4.8	$ 4.9
Net interest payable	$ 1.3	$ 1.0

STOCKHOLDERS' EQUITY. (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Dec. 28, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stockholders' Equity Note
Common shares authorized for future repurchase (shares)		20,900,804
Restricted stockholders' equity (dollars)		$ 95
Regular cash dividend [Member]
Stockholders' Equity Note
Cash dividends declared per share		$ 1.76	$ 1.52	$ 1.36
Special dividend [Member]
Stockholders' Equity Note
Cash dividends declared per share	$ 1.00
Cash dividends paid per share	$ 1

STOCK-BASED COMPENSATION. (Detail) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock options
Outstanding at December 31, 2013		31,574,958
Exercised		(4,924,172)
Forfeited		(448,836)
Expired		(946)
Outstanding at December 31, 2014	29,761,519	29,761,519	31,574,958
Exercisable at December 31, 2014	18,631,393	18,631,393
Stock options weighted-average exercise price
Weighted-average exercise price of options outstanding at December 31, 2013 (in dollars per option)		$ 52.18
Weighted-average exercise price of options exercised (in dollars per option)		42.74
Weighted-average exercise price of options forfeited (in dollars per option)		61.37
Weighted-average exercise price of options expired (in dollars per option)		52.62
Weighted-average exercise price of options outstanding at December 31, 2014 (in dollars per option)	$ 56.95	56.95	$ 52.18
Weighted-average exercise price of options exercisable at December 31, 2014 (in dollars per option)	$ 50.14	$ 50.14
Weighted-average remaining contractual term of options outstanding at December 31, 2014	5 years 9 months
Weighted-average remaining contractual term of options exercisable at December 31, 2014	4 years 6 months
Stock-based compensation expense (dollars)		$ 133.4	$ 114.6	$ 104.1
Total intrinsic value of options exercised (dollars)		196.5	$ 182.6	239.6
Aggregate intrinsic value of in-the-money options outstanding (dollars)	$ 860.5	860.5
Aggregate intrinsic value of options exercisable (dollars)	$ 665.4	$ 665.4
Restricted shares and stock units weighted-average fair value
Weighted-average fair value of nonvested restricted shares and restricted stock units at December 31, 2013 (in dollars per share)		$ 67.21
Weighted-average fair value of restricted shares and restricted stock units vested (in dollars per share)		64.78
Weighted-average fair value of restricted shares and restricted stock units forfeited (in dollars per share)		69.29
Weighted-average fair value of nonvested restricted shares and restricted stock units at December 31, 2014 (in dollars per share)	$ 72.79	$ 72.79	$ 67.21
Value at vest date (dollars)		$ 58.6
Vested restricted stock units	48,262	48,262
Future stock-based compensation expense.
First quarter 2015 (dollars)	$ 29.0	$ 29.0
Second quarter 2015 (dollars)	28.7	28.7
Third quarter 2015 (dollars)	28.4	28.4
Fourth quarter 2015 (dollars)	24.9	24.9
Total 2015 (dollars)	111.0	111.0
2016 through 2019 (dollars)	116.0	116.0
Total (dollars)	$ 227.0	$ 227.0
Time based [Member]
Restricted shares and stock units weighted-average fair value
Weighted-average fair value of restricted shares and restricted stock units granted (in dollars per share)		$ 80.17
Stock option [Member] \| Compensation and related costs [Member]
Stock options weighted-average exercise price
Stock-based compensation expense (dollars)		$ 63.4	$ 64.2	74.5
Restricted shares [Member]
Stock awards
Nonvested at December 31, 2013		1,877,086
Vested (value at vest date was $58.6 million)		(469,469)
Forfeited		(117,193)
Nonvested at December 31, 2014	2,061,559	2,061,559	1,877,086
Restricted shares [Member] \| Time based [Member]
Stock awards
Granted		759,135
Restricted shares [Member] \| Performance based [Member]
Stock awards
Nonvested at December 31, 2014	45,600	45,600
Restricted shares [Member] \| Performance based [Member] \| Performance threshold met [Member]
Stock awards
Nonvested at December 31, 2014	33,600	33,600
Restricted stock units [Member]
Stock awards
Nonvested at December 31, 2013		823,593
Vested (value at vest date was $58.6 million)		(230,268)
Forfeited		(28,217)
Nonvested at December 31, 2014	1,006,753	1,006,753	823,593
Restricted stock units [Member] \| Time based [Member]
Stock awards
Granted		374,445
Restricted stock units [Member] \| Performance based [Member]
Stock awards
Nonvested at December 31, 2014	159,525	159,525
Restricted stock units [Member] \| Performance based [Member] \| Performance threshold met [Member]
Stock awards
Nonvested at December 31, 2014	92,325	92,325
Restricted shares and restricted stock units [Member] \| Compensation and related costs [Member]
Stock options weighted-average exercise price
Stock-based compensation expense (dollars)		$ 70.0	$ 50.4	$ 29.6
Stock-based compensation plan [Member]
Stock-based compensation
Shares of unissued common stock authorized for issuance	44,918,174	44,918,174
Employee stock purchase plan [Member]
Stock-based compensation
Shares authorized for issuance	3,412,508	3,412,508
Employee global long-term incentive plan [Member] \| Performance based [Member]
Restricted shares and stock units weighted-average fair value
Weighted-average fair value of restricted shares and restricted stock units granted (in dollars per share)		$ 80.14
Employee global long-term incentive plan [Member] \| Restricted shares [Member] \| Performance based [Member]
Stock awards
Granted		12,000
Employee global long-term incentive plan [Member] \| Restricted stock units [Member] \| Performance based [Member]
Stock awards
Granted		67,200
Employee global long-term incentive plan [Member] \| Semiannual [Member]
Stock options
Grants		3,506,465
Stock options weighted-average exercise price
Weighted-average exercise price of option grants (in dollars per option)		$ 80.15
Employee global long-term incentive plan [Member] \| New hire [Member]
Stock options
Grants		37,250
Stock options weighted-average exercise price
Weighted-average exercise price of option grants (in dollars per option)		$ 80.04
Non-employee director [Member]
Stock options
Grants		16,800
Stock options weighted-average exercise price
Weighted-average exercise price of option grants (in dollars per option)		$ 80.81

EARNINGS PER SHARE CALCULATIONS. (Detail) - USD ($) shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Net income	$ 315.9	$ 303.6	$ 305.8	$ 304.3	$ 287.7	$ 270.3	$ 247.8	$ 241.9	$ 1,229.6	$ 1,047.7	$ 883.6
Less net income allocated to outstanding restricted stock and stock unit holders (basic)									(14.2)	(9.3)	(5.5)
Less net income allocated to outstanding restricted stock and stock unit holders (diluted)									(14.2)	(9.3)	(5.5)
Net income allocated to common stockholders (basic)									1,215.4	1,038.4	878.1
Net income allocated to common stockholders (diluted)									$ 1,215.4	$ 1,038.4	$ 878.1
Weighted-average common shares
Outstanding (shares)									259.6	258.3	253.4
Outstanding assuming dilution (shares)									267.4	266.3	261.0
Weighted-average outstanding stock options excluded (options)									3.8	3.1	5.4

OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME. (Deferred Tax Benefit (Income Tax) Impact) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred tax benefits (income taxes) on:
Net unrealized holding gains or losses	$ 0.8	$ (57.8)	$ (39.7)
Reclassification adjustments
Recognized in the provision for income taxes related to capital gain distributions	11.9	6.0	1.8
Recognized in the provision for income taxes related to net gains realized on dispositions	18.8	5.3	13.6
Recognized in non-operating investment income for net unrealized holding gains derecognized upon the sale of savings bank subsidiary	0.0	0.6	0.0
Net deferred tax benefits (income taxes) on net unrealized holding gains or losses recognized in other comprehensive income	31.5	(45.9)	(24.3)
Deferred tax benefits on currency translation adjustments	0.7	8.3	3.7
Total deferred tax benefits (income taxes)	$ 32.2	$ (37.6)	$ (20.6)

OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME. (Accumulated Other Comprehensive Income) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in each component of accumulated other comprehensive income
Accumulated other comprehensive income	$ 188.3	$ 131.9	$ 102.8
Other comprehensive income (loss) before reclassifications and income taxes	(3.7)	124.4	89.5
Reclassification adjustments recognized in non-operating investment income	(80.4)	(30.4)	(39.8)
Other comprehensive income (loss) before income taxes	(84.1)	94.0	49.7
Deferred tax benefits (income taxes)	32.2	(37.6)	(20.6)
Total other comprehensive income (loss)	(51.9)	56.4	29.1
Accumulated other comprehensive income	136.4	188.3	131.9
Net unrealized holding gains (losses) [Member]
Changes in each component of accumulated other comprehensive income
Accumulated other comprehensive income	216.3	144.5	108.4
Other comprehensive income (loss) before reclassifications and income taxes	(1.9)	148.1	100.2
Reclassification adjustments recognized in non-operating investment income	(80.4)	(30.4)	(39.8)
Other comprehensive income (loss) before income taxes	(82.3)	117.7	60.4
Deferred tax benefits (income taxes)	31.5	(45.9)	(24.3)
Total other comprehensive income (loss)	(50.8)	71.8	36.1
Accumulated other comprehensive income	165.5	216.3	144.5
Net unrealized holding gains (losses) [Member] \| Investments in sponsored funds [Member]
Changes in each component of accumulated other comprehensive income
Accumulated other comprehensive income	216.0	142.3	106.3
Other comprehensive income (loss) before reclassifications and income taxes	(2.1)	149.7	99.9
Reclassification adjustments recognized in non-operating investment income	(80.4)	(28.8)	(39.8)
Other comprehensive income (loss) before income taxes	(82.5)	120.9	60.1
Deferred tax benefits (income taxes)	31.5	(47.2)	(24.1)
Total other comprehensive income (loss)	(51.0)	73.7	36.0
Accumulated other comprehensive income	165.0	216.0	142.3
Net unrealized holding gains (losses) [Member] \| Debt securities held by savings bank subsidiary [Member]
Changes in each component of accumulated other comprehensive income
Accumulated other comprehensive income	0.0	1.9	1.9
Other comprehensive income (loss) before reclassifications and income taxes	0.0	(1.6)	0.1
Reclassification adjustments recognized in non-operating investment income	0.0	(1.6)	0.0
Other comprehensive income (loss) before income taxes	0.0	(3.2)	0.1
Deferred tax benefits (income taxes)	0.0	1.3	(0.1)
Total other comprehensive income (loss)	0.0	(1.9)	0.0
Accumulated other comprehensive income	0.0	0.0	1.9
Net unrealized holding gains (losses) [Member] \| Proportionate share of investments held by UTI [Member]
Changes in each component of accumulated other comprehensive income
Accumulated other comprehensive income	0.3	0.3	0.2
Other comprehensive income (loss) before reclassifications and income taxes	0.2	0.0	0.2
Reclassification adjustments recognized in non-operating investment income	0.0	0.0	0.0
Other comprehensive income (loss) before income taxes	0.2	0.0	0.2
Deferred tax benefits (income taxes)	0.0	0.0	(0.1)
Total other comprehensive income (loss)	0.2	0.0	0.1
Accumulated other comprehensive income	0.5	0.3	0.3
Currency translation adjustment [Member]
Changes in each component of accumulated other comprehensive income
Accumulated other comprehensive income	(28.0)	(12.6)	(5.6)
Other comprehensive income (loss) before reclassifications and income taxes	(1.8)	(23.7)	(10.7)
Reclassification adjustments recognized in non-operating investment income	0.0	0.0	0.0
Other comprehensive income (loss) before income taxes	(1.8)	(23.7)	(10.7)
Deferred tax benefits (income taxes)	0.7	8.3	3.7
Total other comprehensive income (loss)	(1.1)	(15.4)	(7.0)
Accumulated other comprehensive income	$ (29.1)	$ (28.0)	$ (12.6)

OTHER DISCLOSURES. (Retirement Plans) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Compensation and related costs [Member]
Retirement Plans
Expense recognized for defined contribution retirement plans	$ 70.6	$ 61.8	$ 58.2

OTHER DISCLOSURES. (Savings Bank Subsidiary Sale) (Details) - Savings bank subsidiary [Member]	12 Months Ended
	Dec. 31, 2013 USD ($)
Savings bank subsidiary
Capital stock of subsidiary sold (percentage)	100.00%
Proceeds from sale of subsidiary	$ 23,600,000
Non-operating investment income [Member] \| Portion of purchase price in excess of subsidiary net book value [Member]
Savings bank subsidiary
Gain recognized	500,000
Non-operating investment income [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member]
Savings bank subsidiary
Gain recognized	$ 1,000,000

SUPPLEMENTARY QUARTERLY FINANCIAL DATA (Unaudited). (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Selected Quarterly Financial Information [Abstract]
Net revenues	$ 1,022.4	$ 1,020.8	$ 984.3	$ 954.6	$ 929.8	$ 884.4	$ 854.3	$ 815.7	$ 3,982.1	$ 3,484.2	$ 3,022.5
Net income	$ 315.9	$ 303.6	$ 305.8	$ 304.3	$ 287.7	$ 270.3	$ 247.8	$ 241.9	$ 1,229.6	$ 1,047.7	$ 883.6
Basic earnings on common stock	$ 1.21	$ 1.15	$ 1.16	$ 1.16	$ 1.10	$ 1.03	$ 0.95	$ 0.93	$ 4.68	$ 4.02	$ 3.47
Diluted earnings on common stock	$ 1.18	$ 1.12	$ 1.13	$ 1.12	$ 1.06	$ 1.00	$ 0.92	$ 0.91	$ 4.55	$ 3.90	$ 3.36

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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