Document and Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Document Period End Date Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Registrant Name Entity Incorporation, State Country Name Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code Entity Filer Category Entity Listing, Par Value Per Share (in dollars per share) Entity Common Stock, Shares Outstanding Entity Central Index Key Amendment Flag Unaudited Condensed Consolidated Balance Sheets [Abstract] Consolidated Balance Sheets [Abstract] ASSETS CashAndCashEquivalentsAtCarryingValue At end of period At beginning of year Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents (Notes 1 and 6) Accounts receivable and accrued revenue (Note 2) Accounts receivable and accrued revenue Accounts Receivable, Net, Total Accounts receivable for advisory fees and advisory-related administrative services Investments in sponsored mutual funds (Notes 3 and 6) Investments in sponsored mutual funds Aggregate fair value Aggregate fair value Debt securities held by savings bank subsidiary (Notes 4 and 6) Debt securities held by savings bank subsidiary Total fair value Total debt securities Other investments (Notes 5 and 6) Other investments Total Property and equipment (Note 7) Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property and equipment Total Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Other assets (Notes 8 and 9) Other assets Other assets Total assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities Accounts payable and accrued expenses Accounts payable and accrued expenses Accounts payable and accrued expenses Accrued compensation and related costs Employee-related Liabilities, Total Income taxes payable (Note 9) Income taxes payable Accrued Income Taxes, Total Customer deposits at savings bank subsidiary (Note 4) Customer deposits at savings bank subsidiary Customer deposits at savings bank subsidiary Total liabilities Total liabilities Commitments and Contingencies Commitments and contingent liabilities Commitments and contingent liabilities (Notes 5, 7 and 13) Stockholders' equity (Notes 10, 12 and 13) Stockholders' equity Preferred stock, undesignated, $.20 par value - authorized and unissued 20,000,000 shares Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Common stock, $.20 par value - authorized 750,000,000; issued 253,272,000 shares in 2011 and 253,718,000 shares in 2012 Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Additional capital in excess of par value Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), at end of period Accumulated Other Comprehensive Income (Loss), at beginning of year Accumulated other comprehensive income Accumulated other comprehensive income Stockholders' Equity Balances Balances Balances Total stockholders' equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Stockholders' Equity Number Of Shares Par Value And Other Disclosures [Abstract] Stockholders' equity Preferred stock, par value (in dollars per share) Preferred stock, shares authorized Common stock, par value (in dollars per share) Common stock, shares authorized CommonStockSharesOutstanding Balances (shares) Balances (shares) Common stock, shares issued Unaudited Condensed Consolidated Statements of Income [Abstract] Revenues Investment advisory fees Revenues from advisory services Asset Management Fees, Total Administrative fees (Note 2) Fees for advisory-related administrative services Fees and Commissions, Total Administrative fees A positive value represents fee revenues earned from 12b-1 plans of the Advisor, R, and VIP II classes of sponsored mutual funds that are generally based on a contractual percentage of assets. Distribution fees Distribution and other servicing fees Distribution and servicing fees Interest Income (Expense), Net Net revenue of savings bank subsidiary Net revenue Net revenue of savings bank subsidiary (Note 4) Net revenues Net revenues Operating expenses Compensation and related costs (Notes 7, 10 and 13) Compensation and related costs Compensation and related costs Advertising and promotion Advertising and promotion A positive value represents costs paid to financial intermediaries that source assets into the Advisor, R, and VIP II share classes of sponsored mutual funds. Distribution Costs Distribution and servicing costs Depreciation and amortization of property and equipment A positive value represents the amount of net occupancy expense including maintenance of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense. Occupancy Facility Costs Occupancy and facility costs Other operating expenses Other operating expenses Total operating expenses Total operating expenses Net operating income Net operating income Non-operating investment income (loss) Non-operating investment income Investment Income, Nonoperating Income before income taxes Income before income taxes Provision for income taxes (Note 9) Provision for income taxes Total Net income loss Net income Net income Earnings Per Share Calculations Earnings per share on common stock Earnings per share on common stock (Note 11) Basic (in dollars per share) Basic (in dollars per share) Basic earnings per share on common stock (in dollars per share) Diluted (in dollars per share) Diluted (in dollars per share) Diluted earnings per share on common stock (in dollars per share) Cash dividends declared per share (in dollars per share) Dividends declared per share (in dollars per share) Dividends declared per share (in dollars per share) Unaudited Condensed Consolidated Statements of Comprehensive Income [Abstract] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Major Types Of Debt And Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Equity Securities [Member] Investments in sponsored mutual funds [Member] Debt Securities [Member] Debt securities held by savings bank subsidiary [Member] Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss) Net unrealized holding gains (losses) on Unrealized holding gains (losses) [Abstract] OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax Net unrealized holding gains (losses) Net losses realized on dispositions Net losses (gains) realized on dispositions, determined using average cost Net gains realized in non-operating investment income on dispositions Reclassification adjustment on net losses (gains) realized on dispositions in non-operating investment income Net losses (gains) realized on dispositions, determined using average cost Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent Net unrealized holding gains (losses) recognized in other comprehensive income Total net unrealized holding gains (losses) recognized in other comprehensive income Net unrealized holding gains recognized in other comprehensive income Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent, Total Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Total other comprehensive income (loss) before income taxes Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Deferred tax benefits (income taxes) Total deferred tax benefits (income taxes) Deferred tax benefits (income taxes) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income, net of tax Total other comprehensive income (loss) Comprehensive Income, Net of Tax, Attributable to Parent Total comprehensive income Unaudited Condensed Consolidated Statements of Cash Flows [Abstract] Cash flows from operating activities Adjustments to reconcile net income to net cash provided by operating activities Allocated Share-based Compensation Expense Stock-based compensation expense Allocated Share-based Compensation Expense, Total Stock-based compensation expense (dollars) Intangible asset amortization Amortization of Intangible Assets, Total Increase (Decrease) in Trading Securities Changes in securities held by consolidated sponsored mutual funds Increase (Decrease) in Trading Securities, Total Other changes in assets and liabilities for 10-k only Other changes in assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total Net Cash Provided by (Used in) Operating Activities, Continuing Operations Change in trading securities Net cash provided by operating activities Cash flows from investing activities Investments in sponsored mutual funds Investments in sponsored mutual funds Dispositions of sponsored mutual funds Investments in debt securities by savings bank subsidiary Investments in debt securities held by savings bank subsidiary A positive value represents the cash inflow associated with the maturity (principal being due) or sale of available-for-sale debt securities. Proceeds from sale and maturity of available for sale securities, debt Proceeds from debt securities held by savings bank subsidiary Proceeds from debt securities held by savings bank subsidiary Additions to property and equipment Additions to property and equipment Additions to property and equipment Other investing activity Other investing activity Other investing activity Other investing activity Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Cash flows from financing activities Repurchases of common stock Repurchases of common stock The cash inflow associated with the amount received from holders exercising their stock options net of 1) shares swapped by the employee to pay the cost of related employee stock option awards and 2) cash outflows paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. A positive value represents cash inflows in excess of cash outflows listed. A negative value represents cash outflows in excess of the cash inflow described. Proceeds from stock options exercised, net of payments for repurchase of common stock for employee tax withholding obligations and strike price Common share issuances under stock-based compensation plans Excess tax benefits from stock-based compensation plans Dividends paid to stockholders Dividends Change in savings bank subsidiary deposits Change in savings bank subsidiary deposits Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash used in financing activities CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract Cash and cash equivalents Net change during period Net change during period Unaudited Condensed Consolidated Statement of Stockholders' Equity [Abstract] Dividends Dividends Dividends, Total Share-based Compensation [Abstract] Common stock-based compensation plans activity A positive value represents the value of stock issued as a result of the exercise of stock options less values of underlying shares swapped by the employee to pay the cost of the related stock option award and withheld to pay related income tax obligations. Stock Issued During Period Value Stock Options Exercised Net of Tax Witholdings Strike Price Shares issued upon option exercises A positive value represents the number of shares of stock issued during the period as a result of option exercises, net of shares withheld for the payment of withholding taxes and shares swapped for payment of strike price. Stock Issued During Period Stock Options Exercised Net Of Shares For Tax Withholding Strike Price Shares issued upon option exercises (shares) Restricted shares issued, net of shares withheld for taxes Restricted shares issued, net of shares withheld for taxes Restricted shares issued, net of shares withheld for taxes (shares) Restricted shares issued, net of shares withheld for taxes (shares) Stock Issued During Period, Value, Other Shares issued upon vesting of restricted stock units Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures, Total Stock Issued During Period, Shares, Other Shares issued upon vesting of restricted stock units (shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures, Total Forfeiture of restricted awards Forfeiture of restricted awards Forfeiture of restricted awards (shares) Forfeiture of restricted awards (shares) Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Net tax benefits Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net, Total Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value Stock-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Common shares repurchased Common shares repurchased Common shares repurchased (shares) Common shares repurchased (shares) The Company and Basis of Preparation [Abstract] Summary of Significant Accounting Policies (by policy) [Abstract] The Company and Basis of Preparation [Abstract] Basis of Preparation [Text Block] Summary of Significant Accounting Policies [Text Block] The Company and Basis of Preparation [Text Block] Information about Receivables, Revenues, and Services Information about Receivables, Revenues, and Services [Abstract] This element is used to indicate facts reported for the continuing operations of a business entity including disclosure of receivables from sponsored mutual funds for both advisory fees and administrative services provided. This element also includes disclosure of the components of investment advisory fees and administrative fees earned as well as the components of average assets and period end assets under management. Information About Receivables Revenues And Services Text Block Information about Receivables, Revenues, and Services [Text Block] Available for Sale Investments [Abstract] Debt Securities Held By and Customer Deposits at Savings Bank Subsidiary [Abstract] Disclosure of available-for-sale equity securities which includes, but is not limited to, reconciliation of cost basis to fair value, fair values by type of security, aggregate losses qualitative disclosure, dividends earned, and other disclosures related to available for sale equity securities. Available for Sale Equity Securities, Disclosure [Text Block] Investments in Sponsored Mutual Funds [Text Block] Disclosure of available-for-sale debt securities which includes, but is not limited to, reconciliation of cost basis to fair value, aggregate losses qualitative and quantitative disclosures, and other disclosures related to available for sale debt securities. Available For Sale Debt Securities, Disclosure [Text Block] Debt Securities Held By Savings Bank Subsidiary [Text Block] Other Investments [Abstract] The entire disclosure that details the components of Other Investments included on the balance sheet. Other Investments [Text Block] Fair Value Measurements [Abstract] Fair Value Measurements [Text Block] Stock-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation [Text Block] Earnings Per Share Calculations [Text Block] Other Comprehensive Income and Accumulated Other Comprehensive Income [Abstract] Other Comprehensive Income and Accumulated Other Comprehensive Income [Text Block] Tabular disclosure of the components of revenue recognized in the period for schedule-based fees earned for management of mutual funds based on average daily net assets and other investment management and advisory fees earned on other client portfolios based on asset valuations. Components of Investment Advisory Fees [Text Block] Components of Revenues from Advisory Services [Table Text Block] Tabular disclosure of the components of average assets under management and period end assets under management. Assets under management represents the market value of assets an investment adviser manages on behalf of investors and is the basis for determining investment advisory fee revenue. Components of Assets Under Management [Text Block] Components of Assets Under Management [Table Text Block] Tabular disclosure of the reconciliation of available-for-sale equity securities from cost basis to fair value. Schedule of Available-for-sale Securities Equity Securities Reconciliation [Table Text Block] Investments in Sponsored Mutual Funds Reconciliation [Table Text Block] Tabular disclosure of the reconciliation of available-for-sale debt securities from fair value to cost basis. Schedule of Available-for-sale Securities Debt Securities Reconciliation [Table Text Block] Investments in Debt Securities Held by Savings Bank Subsidiary Reconciliation [Table Text Block] Tabular disclosure of the components of other investments, including those accounted for under the cost, equity and other methods. Components of Other Investments [Text Block] Components of Other Investments [Table Text Block] Fair Value Measurements (Tables) [Abstract] Fair Value Measurements Table [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Rollforward of Stock Options [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Rollforward of Nonvested Restricted Shares and Restricted Stock Units [Table Text Block] Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Future Stock-Based Compensation Expense [Table Text Block] Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Earnings Per Share Reconciliation [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Antidilutive Securities [Table Text Block] Total Comprehensive Income (Loss) [Table Text Block] Deferred Tax Benefit (Income Tax) Impact of the Components of Other Comprehensive Income [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Table Text Block] Changes in Accumulated Other Comprehensive Income [Table Text Block] Receivables from Sponsored Mutual Funds [Abstract] Schedule of Accounts, Notes, Loans, and Financing Receivable [Table] Receivables from Sponsored Mutual Funds [Table] Name or description of individual or groups of customers determined to be disclosed. Customer [Axis] Name or description of individual or groups of customers determined to be disclosed. Customer [Domain] Customer [Domain] Sponsored mutual funds in the U.S. Sponsored Mutual Funds In U S [Member] Sponsored mutual funds in the U.S. [Member] Revenues and Services [Abstract] Revenues and Services [Abstract] Summarization of information required and determined to be disclosed concerning advisory service revenues and the assets from which those revenues are derived, by customer and investment mandate. Revenue and Services [Table] Segregates the information included within the table to which this axis relates by the underlying investment mandate. Investment Mandate [Axis] Segregates the information included within the table to which this axis relates by the underlying investment mandate. Investment Mandate [Domain] Investment Mandate [Domain] Bond, money market and stable value [Member] Bond Money Market And Stable Value [Member] Bond, money market, and stable value [Member] Stock and blended asset [Member] Stock And Blended Asset [Member] Stock and blended asset [Member] Bond and money market [Member] Bond And Money Market [Member] Bond and money market [Member] Assets Under Management Average AssetsUnderManagementAverage Average assets under management Assets Under Management Period End Value Period end assets under management Risks and Uncertainties [Abstract] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Reflects the percentage of a disclosed value in notes to the financial statements in the period from one or more specified geographic areas is to a corresponding consolidated amount. Geographic Concentration [Member] Geographic Concentration [Member] Concentration Risk, Percentage Concentration Risk, Benchmark Description Concentration Risk, Additional Characteristic Schedule of Available-for-sale Securities [Table] Available for Sale Investments [Table] Available-for-sale Equity Securities, Amortized Cost Basis Aggregate cost Unrealized holding gains Available-for-sale Securities, Gross Unrealized Gains, Total AvailableForSaleSecuritiesGrossUnrealizedLoss Unrealized holding losses Unrealized holding losses Available-for-sale Securities, Gross Unrealized Losses, Total Number of securities with temporary impairment Investments with temporary impairment (number of securities) AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue Less than 12 months Unrealized holding losses at June 30, 2012, are attributable to four fund holdings with an aggregate fair value of Investments with temporary impairment (25 securities in 2012) of (fair values) 12 months or more Total fair value of investments with temporary impairment Total fair value of investments with temporary impairment A positive value represents the fair value of securities categorized neither as held-to-maturity nor trading securities that have unrealized gains at the end of the reporting period. Investments with unrealized holding gains Fair value of investments with unrealized holding gains Available-for-sale Debt Securities, Amortized Cost Basis Aggregate cost Investments with temporary impairment (25 securities in 2012) of (unrealized holding gains (losses) AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses Less than 12 months Less than 12 months AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses 12 months or more Unrealized holding losses Unrealized holding losses Total unrealized holding losses on investments with temporary impairment Unrealized holding losses Available-for-sale Securities, Gross Unrealized Gain (Loss) Total unrealized holding gains (losses) Total unrealized holding gains (losses) Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Cause Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other Summarization of information required and determined to be disclosed concerning all Other Investments. The information is summarized by accounting treatment and separately identifies significant investees. Other Investments [Table] Schedule of Equity Method Investment, Equity Method Investee, Name [Axis] Equity Method Investee Name [Domain] Equity Method Investee, Name [Domain] Interest in UTI Asset Management Company (India) [Member] Interest In Uti Asset Management Company India [Member] 26% Interest in UTI Asset Management Company Limited (India) [Member] Other equity method investments Other Equity Method Investments [Member] Other equity method investments [Member] This axis disagregates securities held as trading into general categories of investments required or determined to be disclosed. Schedule of Securities Held as Trading [Axis] This domain disagregates securities held as trading into general categories of investments required or determined to be disclosed. Schedule Of Securities Held As Trading [Domain] Schedule of Securities Held as Trading [Domain] Investments in our sponsored mutual fund products. Sponsored Mutual Fund Investments [Member] Sponsored mutual fund investments [Member] Securities held by consolidated sponsored mutual funds [Member] Securities Held By Consolidated Sponsored Mutual Funds [Member] Securities held by consolidated sponsored mutual funds [Member] Cost method investments Equity method investments Equity method investments Investments held as trading Trading Securities, Unclassified, Equity, Total Held-to-maturity Securities U.S. Treasury note Held-to-maturity Securities, Total The percentage of ownership or equity participation in an investee accounted for under the cost method of accounting. Cost Method Investment, Ownership Percentage Cost method investment (ownership percentage) Equity Method Investment, Ownership Percentage Equity method investment (ownership percentage) Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Table] Fair Value Measurements [Table] Fair Value, Liabilities Measured on Recurring Basis, Disclosure Items [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Liabilities Measured on Recurring Basis, Disclosure Items [Domain] Fair Value Inputs Level1 [Member] Level 1 [Member] Fair Value Inputs Level2 [Member] Level 2 [Member] Fair Value by Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Fair Value, Measurements, Recurring [Member] Cash equivalents Available For Sale Securities Fair Value Disclosure Investments held as available-for-sale Trading Securities, Fair Value Disclosure Investments held as trading Assets, Fair Value Disclosure Total Liabilities Fair Value Disclosure [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Estimate Of Fair Value Fair Value Disclosure [Member] Estimate of Fair Value, Fair Value Disclosure [Member] High end period remaining until maturity used as an input for the fair value measurement of customer deposit liability disclosure in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Fair Value Measurements, Significant Assumptions, Customer Deposits Higher Remaining Maturity Range Maximum maturities of customer deposits Deposits, Fair Value Disclosure Estimated fair value of customer deposits Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Stock Awards and Options [Table] Stock-Based Compensation [Table] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Restricted Stock [Member] Restricted shares [Member] Restricted Stock Units R S U [Member] Restricted stock units [Member] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Stock Compensation Plan [Member] Stock-based compensation plan [Member] Non-employee director programs Non Employee Director [Member] Non-employee director [Member] Pertinent data describing and reflecting disclosures pertaining to grants during the period in an equity-based compensation arrangement, by equity-based compensation program. Schedule of Share-based Compensation Arrangements by Share-based Payment Award, Program [Axis] Pertinent data describing and reflecting disclosures pertaining to grants during the period in an equity-based compensation arrangement, by equity-based compensation program. Schedule Of Share Based Compensation Arrangements By Share Based Payment Award Program [Domain] Schedule of Share-based Compensation Arrangements by Share-based Payment Award, Program [Domain] Semiannual Programs Semiannual [Member] Semiannual [Member] Reload Programs Reload [Member] Reload [Member] New Hire Programs New Hire [Member] New hire [Member] STOCK OPTIONS. Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding at end of period Outstanding at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Grants Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total Shares issued upon option exercises (shares) Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod Forfeited Forfeited Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted-average exercise price of options outstanding at end of period (in dollars per option) Weighted-average exercise price of options outstanding at beginning of year (in dollars per option) Weighted-average exercise price of option grants (in dollars per option) Weighted-average exercise price of options exercised (in dollars per option) Weighted-average exercise price of options forfeited (in dollars per option) Weighted-average exercise price of options exercisable at end of period (in dollars per option) STOCK AWARDS. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Nonvested at end of period Nonvested at beginning of year Granted to employees and directors Granted to employees and directors Vested Vested ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod Forfeited Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted-average fair value of nonvested restricted shares and restricted stock units at end of period (in dollars per share) Weighted-average fair value of nonvested restricted shares and restricted stock units at beginning of year (in dollars per share) Weighted-average fair value of restricted shares and restricted stock units granted to employees and directors (in dollars per share) Weighted-average fair value of restricted shares and restricted stock units vested (in dollars per share) Weighted-average fair value of restricted shares and restricted stock units forfeited (in dollars per share) FUTURE STOCK-BASED COMPENSATION EXPENSE. A positive value represents the unrecognized cost of awards outstanding at the balance sheet date under share-based compensation plans that will be recognized during the first quarter following the balance sheet date. Share based compensation nonvested awards compensation cost to be recognized, next quarter Third quarter 2012 (dollars) A positive value represents the unrecognized cost of awards outstanding at the balance sheet date under share-based compensation plans that will be recognized during the second quarter following the balance sheet date. Share based compensation nonvested awards compensation cost to be recognized, second quarter Fourth quarter 2012 (dollars) A positive value represents the unrecognized cost of awards outstanding at the balance sheet date under share-based compensation plans that will be recognized during the next January through December period subsequent to the balance sheet date. Share based compensation nonvested awards compensation cost to be recognized, next calendar year 2013 (dollars) Total 2012 (dollars) A positive value represents the unrecognized cost of awards outstanding at the balance sheet date under share-based compensation plans that will be recognized in the second January subsequent to the balance sheet date through each awards vesting date. Share based compensation nonvested awards compensation cost to be recognized, between second calendar year and vest date 2014 through 2017 (dollars) EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized Total Total (dollars) Participating Securities, Distributed and Undistributed Earnings Less: net income allocated to outstanding restricted stock and stock unit holders Less: net income allocated to outstanding restricted stock and stock unit holders Participating Securities, Distributed and Undistributed Earnings, Total Net income available to common stockholders Net income allocated to common stockholders (basic) Net Income (Loss) Available to Common Stockholders, Diluted Net income allocated to common stockholders (diluted) Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted average common shares Weighted average shares outstanding Outstanding (shares) Outstanding Weighted average shares outstanding assuming dilution Outstanding assuming dilution (shares) Outstanding assuming dilution Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Weighted average outstanding stock options excluded (options) The weighted average exercise price of securities that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented. Antidilutive Securities Excluded From Computation Of Earnings Per Share Weighted Average Exercise Price Average exercise price (in dollars per option) Deferred tax benefit (income taxes) recognized in other comprehensive income Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent [Abstract] Deferred tax benefit (income taxes) on Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax Net unrealized holding gains or losses Reclassification adjustment for gains or losses realized in net income Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax, Total Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax Reclassification adjustment on net gains or losses realized on dispositions in non-operating investment income Reclassification adjustment for gains or losses realized in net income Reclassification adjustment for gains or losses realized in net income Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent Income tax benefit (expense) on net unrealized holding gains or losses recognized in other comprehensive income Deferred income taxes recognized in other comprehensive income Deferred tax benefits (incomes taxes) on net unrealized holding gains or losses recognized in other comprehensive income Total income tax benefits (expense) on unrealized holding gains or losses Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Deferred tax benefit (expense) on currency translation adjustment Income tax benefit (expense) of currency translation adjustment from investment in UTI Asset Management Company Limited Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent, Total Accumulated Other Comprehensive Income [Abstract] Tabular disclosure of the period end balances and changes in accumulated other comprehensive income (loss) by component, net of deferred tax recognized. Components of Accumulated Other Comprehensive Income (Loss) [Table] Proportionate share of available for sale securities held by equity method investee [Member] Proportionate Share Of Available For Sale Securities Held By Equity Method Investee [Member] Proportionate share of securities held by UTI Asset Management Company Limited [Member] Accumulated gross appreciation net of gross loss in value of the total of unsold securities at the end of the period. A positive value represents the gross appreciation in excess of gross losses and a negative value represents the gross losses in excess of gross appreciation. Accumulated Other Comprehensive Income Loss Available For Sale Securities Before Tax Net unrealized holding gains, at end of period Net unrealized holding gains, at beginning of year Net unrealized holding gains Tax effect of the accumulated gross appreciation or the gross loss in value of the total of unsold securities at the end of an accounting period. A positive value represents the tax effect of an unrealized gain and a negative value represents the tax effect of an unrealized loss. Accumulated Other Comprehensive Income Loss Available for Sale Securities Tax Deferred income taxes Deferred income taxes, at end of period Deferred income taxes, at beginning of year Deferred income taxes Deferred income taxes Deferred income taxes Deferred income taxes Deferred income taxes Net unrealized holding gains Net unrealized holding gains, at end of period Net unrealized holding gains, at beginning of year Net unrealized holding gains, net of taxes Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Currency translation adjustment, net of deferred tax benefit of $.3 million Currency translation adjustment, net of deferred tax benefit of $.3 million Currency translation adjustment, at end of period Currency translation adjustment, at beginning of year Currency translation adjustment, net of taxes Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Net unrealized holding gains (losses), net of tax, recognized in other comprehensive income Net unrealized holding gains recognized in other comprehensive income, net of taxes Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Currency translation adjustment recognized in other comprehensive income, net of taxes Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent, Total Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common stock [Member] Additional Paid In Capital [Member] Additional capital in excess of par value [Member] Retained Earnings Unappropriated [Member] Retained earnings [Member] Accumulated Other Comprehensive Income [Member] Accumulated other comprehensive income [Member] Other portfolios Other Portfolios [Member] Other portfolios [Member] Equity Funds [Member] Stock and blended asset funds [Member] Fixed Income Funds [Member] Bond funds [Member] This element represents the name of each investee, or group of investees for which combined disclosure is appropriate, in which the Entity has an investment in common stock accounted for under the cost method of accounting. Schedule of Cost Method Investment Cost Method Investee Name [Axis] This element provides the name of each investee, or group of investees for which combined disclosure is appropriate, in which the Entity has an investment in common stock accounted for under the cost method of accounting and for which certain information is required or determined to be disclosed. Cost Method Investee Name [Domain] Cost Method Investee, Name [Domain] Interest in Daiwa SB Investments Ltd. (Japan) [Member] Interest In Daiwa Sb Investments Ltd Japan [Member] 10% Interest in Daiwa SB Investments Ltd. (Japan) [Member] Other cost method investments Other Cost Method Investments [Member] Other cost method investments [Member] Employee Stock-Based Compensation Programs Employee Stock Based Compensation Programs [Member] Employee global long-term incentive plan [Member]