Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Rollforward of stock options Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Rollforward of nonvested restricted shares and restricted stock units Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Future stock-based compensation expense Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Equity [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of accumulated other comprehensive income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Net unrealized holding gains [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member] Reclassification out of accumulated other comprehensive income Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Non-operating investment income Investment Income, Nonoperating Provision for income taxes Income Tax Expense (Benefit) Information about Receivables, Revenues, and Services [Abstract] Information about Receivables, Revenues, and Services Components of revenues from advisory services Components of Investment Advisory Fees [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 assets under management Components of Assets Under Management [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. Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Document Type Document Period End Date Document Period End Date Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Entity Registrant Name Entity Registrant Name Entity Incorporation, State Country Name Entity Incorporation, State Country Name Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Filer Category Entity Filer Category Entity Listing, Par Value Per Share (in dollars per share) Entity Listing, Par Value Per Share Entity Common Stock, Shares Outstanding (shares) Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Available-for-sale Securities [Abstract] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Debt securities held by savings bank subsidiary [Member] Debt Securities [Member] Debt securities held by savings bank securities Schedule of Available-for-sale Securities [Line Items] Investments with temporary impairment (0 securities in 2013) of (fair values) Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Investments with temporary impairment (number of securities) Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Fair value of investments with temporary impairment of less than 12 months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Fair value of investments with temporary impairment of 12 months or more Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Total fair value of investments with temporary impairment Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Fair value of investments with unrealized holding gains Investments with unrealized holding gains 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. Total fair value Available-for-sale Securities, Debt Securities Aggregate cost Available-for-sale Debt Securities, Amortized Cost Basis Investments with temporary impairment (0 securities in 2013) of (unrealized holding gains (losses)) Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract] Unrealized holding losses on investments with temporary impairment of less than 12 months Available For Sale Debt Securities Continuous Unrealized Loss Position Less Than 12 Months Accumulated Loss A positive value represents the amount of accumulated unrealized loss on investments in debt securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. Unrealized holding losses on investments with temporary impairment of 12 months or more Available For Sale Debt Securities Continuous Unrealized Loss Position 12 Months Or Longer Accumulated Loss A positive value represents the amount of accumulated unrealized loss on investments in debt securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. Total unrealized holding losses on investments with temporary impairment Available For Sale Debt Securities Continuous Unrealized Loss Position Accumulated Loss A positive value represents the amount of accumulated unrealized loss on investments in debt securities classified as available-for-sale in a continuous loss position. Unrealized holding gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax A positive value represents the amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. Total unrealized holding gains (losses) Available For Sale Debt Securities Accumulated Gross Unrealized Gain Loss Before Tax The amount before tax of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. A positive value represents unrealized gains and a negative value represents unrealized losses. Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Cause Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Cause Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other Revenues and Services [Abstract] Revenues and Services [Abstract] Revenue and Services [Table] Revenue and Services [Table] 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. Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Sponsored mutual funds in the U.S. [Member] Sponsored Mutual Funds In U S [Member] Sponsored mutual funds in the U.S. Administrative and distribution services provided to sponsored mutual funds Revenues and Services [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Fees for advisory-related administrative services Administrative Services Revenue Distribution and other servicing fees Distribution Fees Income Statement [Abstract] Revenues Revenues, Net of Interest Expense [Abstract] Investment advisory fees Investment Advisory Fees Administrative fees Distribution and servicing fees Net revenue of savings bank subsidiary Interest Income (Expense), Net Net revenues Revenues, Net of Interest Expense Operating expenses Operating Expenses [Abstract] Compensation and related costs Labor and Related Expense Advertising and promotion Marketing and Advertising Expense Distribution and servicing costs Distribution Costs 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. Depreciation and amortization of property and equipment Depreciation, Nonproduction Occupancy and facility costs Occupancy Facility Costs 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. Other operating expenses Other Cost and Expense, Operating Total operating expenses Operating Expenses Net operating income Operating Income (Loss) Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Net income Net Income (Loss) Attributable to Parent Earnings per share on common stock Earnings Per Share [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Fair Value Disclosures [Abstract] Fair value measurements table Fair Value, Assets Measured on Recurring Basis [Table Text Block] Earnings per share reconciliation Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Antidilutive securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Discontinued Operations and Disposal Groups [Abstract] Savings bank subsidiary Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Assets and liabilities held for sale Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Savings bank subsidiary [Member] Savings Bank Subsidiary [Member] Savings Bank Subsidiary [Member] Assets and liabilities held for sale Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Capital stock sold (percentage) Expected Sale Of Subsidiary By Parent Percentage Ownership Sold A positive value represents the percentage ownership in a subsidiary expected to be sold in the future as stipulated in an executed sale agreement. Portion of sale price in excess of net book value Expected Sale Of Subsidiary By Parent Sale Price Premium A positive value represents the portion of the sale price agreed to in an executed sale agreement that is in excess of net book value of the subsidiary expected to be sold. Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Debt securities Other assets Prepaid Expense and Other Assets Total assets held for sale Assets Accounts payable and accrued expenses Accounts Payable and Other Accrued Liabilities Income taxes payable Accrued Income Taxes Customer deposits Time Deposits Total liabilities held for sale Liabilities Fair value measurements Fair Value Disclosures [Text Block] Liabilities, Fair Value Disclosure [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, Liabilities Measured on Recurring Basis, Disclosure Items [Axis] Fair Value, Hierarchy [Axis] Fair Value, Liabilities Measured on Recurring Basis, Disclosure Items [Domain] Fair Value Hierarchy [Domain] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value Measurement [Member] Fair value measurements Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Maximum maturities of customer deposits Fair Value Measurements, Significant Assumptions, Customer Deposits Higher Remaining Maturity Range 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. Estimated fair value of customer deposits Deposits, Fair Value Disclosure Stockholders' Equity Note [Abstract] Deferred tax benefit (income tax) impact of the components of other comprehensive income Comprehensive Income (Loss) [Table Text Block] Changes in accumulated other comprehensive income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Other portfolios [Member] Other Portfolios [Member] Other portfolios Investment Mandate [Axis] 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] Segregates the information included within the table to which this axis relates by the underlying investment mandate. 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] Bond, money market, and stable value [Member] Bond Money Market And Stable Value [Member] Bond, money market and stable value [Member] Investment advisory services Revenues from advisory services Average assets under management Assets under Management, Average Balance Period end assets under management Assets under Management, Carrying Amount Accounts Receivable, Net [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Receivables from sponsored mutual funds Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts receivable for advisory fees and advisory-related administrative services Accounts Receivable, Net Statement of Comprehensive Income [Abstract] Statement [Table] Statement [Table] Investments in sponsored funds [Member] Equity Securities [Member] Proportionate share of securities held by UTI Asset Management Company Limited [Member] 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] Statement Statement [Line Items] Net income Other comprehensive income Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Net unrealized holding gains (losses) on: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent [Abstract] Net unrealized holding gains Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Net gains realized on dispositions, determined using average cost Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Total net unrealized holding gains (losses) recognized in other comprehensive income Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Total other comprehensive income (loss) before income taxes Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Net deferred tax benefits (income taxes) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Other comprehensive income and accumulated other comprehensive income Comprehensive Income (Loss) Note [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustments to reconcile net income to net cash provided by operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Stock-based compensation expense Allocated Share-based Compensation Expense Intangible asset amortization Amortization of Intangible Assets Realized gains on dispositions of sponsored funds Available-for-sale Securities, Gross Realized Gains Net losses on investments of consolidated sponsored investment portfolios Net Realized and Unrealized Gain (Loss) on Trading Securities Change in securities held by consolidated sponsored investment portfolios Proceeds from (Payments for) Trading Securities, Short-term Other changes in assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investments in sponsored funds Payments to Acquire Available-for-sale Securities, Equity Dispositions of sponsored funds Proceeds from Sale of Available-for-sale Securities, Equity Investments in debt securities held by savings bank subsidiary Payments to Acquire Available-for-sale Securities, Debt Proceeds from debt securities held by savings bank subsidiary Proceeds from sale and maturity of available for sale securities, debt A positive value represents the cash inflow associated with the maturity (principal being due) or sale of available-for-sale debt securities. Additions to property and equipment Payments to Acquire Property, Plant, and Equipment Other investing activity Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Repurchases of common stock Payments for Repurchase of Common Stock Common share issuances under stock-based compensation plans Proceeds from stock options exercised, net of payments for repurchase of common stock for employee tax withholding obligations and strike price 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. Excess tax benefits from stock-based compensation plans Excess Tax Benefit from Share-based Compensation, Financing Activities Dividends Payments of Dividends Change in savings bank subsidiary deposits Increase (Decrease) in Time Deposits Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect [Abstract] Net change during period Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect At beginning of year At end of period Investments In Debt And Marketable Equity Securities [Table] InvestmentsInDebtAndMarketableEquitySecurities [Table] Investments in debt and marketable equity securities [Table] Investments in debt and marketable equity securities InvestmentsInDebtAndMarketableEquitySecurities [Line Items] [Line Items] for Investments in debt and marketable equity securities [Table] Investments in debt securities held by savings bank subsidiary reconciliation Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Risks and Uncertainties [Abstract] Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Geographic Concentration [Member] Geographic Concentration [Member] 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. Revenues and services concentration Concentration Risk [Line Items] Concentration Risk, Additional Characteristic Concentration Risk, Additional Characteristic Concentration Risk, Percentage Concentration Risk, Percentage Concentration Risk, Benchmark Description Concentration Risk, Benchmark Description Information about receivables, revenues, and services Information About Receivables Revenues And Services Text Block 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. Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Common stock [Member] Common Stock [Member] Additional capital in excess of par value [Member] Additional Paid-in Capital [Member] Retained earnings [Member] Retained Earnings, Unappropriated [Member] Accumulated other comprehensive income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Balances (shares) Common Stock, Shares, Outstanding Balances Stockholders' Equity Attributable to Parent Other comprehensive income, net of tax Dividends Dividends, Cash Common stock-based compensation plans activity Share-based Compensation [Abstract] Shares issued upon option exercises (shares) Stock Issued During Period Stock Options Exercised Net Of Shares For Tax Withholding Strike Price 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. Shares issued upon option exercises Stock Issued During Period Value Stock Options Exercised Net of Tax Withholdings Strike Price 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. Restricted shares issued, net of shares withheld for taxes (shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Restricted shares issued, net of shares withheld for taxes Restricted Stock, Value, Shares Issued Net of Tax Withholdings Shares issued upon vesting of restricted stock units (shares) Stock Issued During Period, Shares, Other Shares issued upon vesting of restricted stock units Stock Issued During Period, Value, Other Forfeiture of restricted awards (shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeiture of restricted awards Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Net tax benefits Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Stock-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Restricted stock units issued as dividend equivalents Dividends, Share-based Compensation, Paid-in-kind Common shares repurchased (shares) Stock Repurchased During Period, Shares Common shares repurchased Stock Repurchased During Period, Value Balances (shares) Balances Debt securities held by savings bank subsidiary Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Parenthetical Disclosures [Abstract] Deferred tax benefit (income taxes) on: Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent [Abstract] Net unrealized holding gains Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Net gains realized on dispositions, determined using average cost Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Deferred income taxes on net unrealized holding gains recognized in other comprehensive income Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent Deferred tax benefit on currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax Total net deferred tax benefit (income taxes) Investments in sponsored funds - available for sale Investments, All Other Investments [Abstract] Other Investments [Table] Other Investments [Table] 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. Schedule of Cost Method Investment Cost Method Investee Name [Axis] Schedule of Cost Method Investment Cost Method Investee Name [Axis] 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. Cost Method Investee, Name [Domain] Cost Method Investee Name [Domain] 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. 10% Interest in Daiwa SB Investments Ltd (Japan) [Member] Daiwa SB Investments Ltd Japan [Member] Daiwa Sb Investments Ltd Japan [Member] Other cost method investments [Member] Other Cost Method Investments [Member] Other cost method investments Schedule of Equity Method Investment, Equity Method Investee, Name [Axis] Investment, Name [Axis] Equity Method Investee, Name [Domain] Investment, Name [Domain] 26% Interest in UTI Asset Management Company Limited (India) [Member] UTI Asset Management Company India [Member] UTI Asset Management Company India [Member] Sponsored fund equity method investments [Member] Sponsored fund equity method investments [Member] Sponsored fund equity method investments [Member] Other equity method investments [Member] Other Equity Method Investments [Member] Other equity method investments Schedule of Securities Held as Trading [Axis] Schedule of Securities Held as Trading [Axis] This axis 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] This domain disagregates securities held as trading into general categories of investments required or determined to be disclosed. Sponsored fund investments held as trading [Member] Sponsored Mutual Fund Investments [Member] Investments in our sponsored mutual fund products. Securities held by consolidated sponsored investment portfolios [Member] Securities Held By Consolidated Sponsored Mutual Funds [Member] Securities held by consolidated sponsored mutual funds [Member] Other investments Other Investments [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Cost method investments Cost Method Investments Equity method investments Equity Method Investments Investments held as trading Trading Securities U.S. Treasury note Held-to-maturity Securities Total Other Investments Cost method investment (ownership percentage) Cost Method Investment, Ownership Percentage The percentage of ownership or equity participation in an investee accounted for under the cost method of accounting. Equity method investment (ownership percentage) Equity Method Investment, Ownership Percentage Deconsolidated value Deconsolidation Value A positive value represents the carrying value of the assets and liabilities deconsolidated during the period as valued on the date that the parent no longer had a controlling financial interest in the subsidiary. Statement of Financial Position [Abstract] Stockholders' equity Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Components of other investments Components of Other Investments [Text Block] Tabular disclosure of the components of other investments, including those accounted for under the cost, equity and other methods. Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Components of Accumulated Other Comprehensive Income [Table] Accumulated Other Comprehensive Income (Loss) [Table] Net unrealized holding gains (losses) [Member] Currency translation adjustment, net of taxes [Member] Accumulated Translation Adjustment [Member] Major Types of Debt and Equity Securities [Axis] Proportionate share of investments held by UTI [Member] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss) [Line Items] Increase decrease in accumulated other comprehensive income loss Increase Decrease In Accumulated Other Comprehensive Income Loss [Roll Forward] Increase Decrease In Accumulated Other Comprehensive Income Loss [Roll Forward] Accumulated other comprehensive income (loss), before tax Accumulated Other Comprehensive Income (Loss), before Tax Other comprehensive income, before tax Accumulated other comprehensive income (loss), before tax Net deferred income taxes Accumulated Other Comprehensive Income Loss Tax Tax effect of the accumulated change in equity from transactions and other events and circumstances from non-owner sources at period end. A positive value represents deferred income taxes and a negative value represents deferred tax benefits. Net deferred income taxes recognized in other comprehensive income Net deferred income taxes Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Other comprehensive income, net of tax Accumulated other comprehensive income Less: net income allocated to outstanding restricted stock and stock unit holders Participating Securities, Distributed and Undistributed Earnings Net income allocated to common stockholders (basic) Net Income (Loss) Available to Common Stockholders, Basic Net income allocated to common stockholders (diluted) Net Income (Loss) Available to Common Stockholders, Diluted Weighted-average common shares Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Outstanding assuming dilution (shares) Weighted Average Number of Shares Outstanding, Diluted Weighted-average outstanding stock options excluded (options) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Assets, Fair Value Disclosure [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value by Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair value measurements Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Investments in sponsored funds Available-for-sale Securities, Equity Securities Investments held as trading Debt securities held by savings bank subsidiary Total Assets, Fair Value Disclosure, Recurring Earnings per share calculations Earnings Per Share [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Employee global long-term incentive plan [Member] Employee Stock Based Compensation Programs [Member] Employee Stock-Based Compensation Programs Non-employee director [Member] Non Employee Director [Member] Non-employee director programs Schedule of Share-based Compensation Arrangements by Share-based Payment Award, Program [Axis] 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] Pertinent data describing and reflecting disclosures pertaining to grants during the period in an equity-based compensation arrangement, by equity-based compensation program. Semiannual [Member] Semiannual [Member] Semiannual Programs New hire and reload [Member] New Hire And Reload [Member] New hire and reload programs Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Award Type [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Equity Award [Domain] Restricted shares [Member] Restricted Stock [Member] Restricted stock units [Member] Restricted Stock Units (RSUs) [Member] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Time-based [Member] Time Based [Member] Time Based [Member] Performance-Based [Member] Performance Based [Member] Performance Based [Member] Schedule of Share-based Compensation Arrangement by Share-based payment award, Performance Condition Status [Axis] Schedule of Share-based Compensation Arrangement by Share-based payment award, Performance Condition Status [Axis] Schedule of Share-based Compensation Arrangement by Share-based payment award, Performance Condition Status [Axis] Schedule of Share-based Compensation Arrangement by Share-based payment award, Performance Condition Status [Domain] Schedule of Share-based Compensation Arrangement by Share-based payment award, Performance Condition Status [Domain] [Domain] for Schedule of Share-based Compensation Arrangement by Share-based payment award, Performance Condition Status [Axis] Performance Conditions Met [Member] Performance Conditions Met [Member] Performance Conditions Met [Member] Stock-based compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Grants Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Expired Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Outstanding at end of period Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Stock options, weighted-average exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted-average exercise price of options outstanding at beginning of year (in dollars per option) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted-average exercise price of option grants (in dollars per option) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted-average exercise price of options exercised (in dollars per option) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted-average exercise price of options forfeited (in dollars per option) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted-average exercise price of options expired (in dollars per option) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, 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 exercisable at end of period (in dollars per option) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Restricted shares and stock units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Nonvested at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Nonvested at end of period Restricted shares and stock units, weighted-average fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted-average fair value of nonvested restricted shares and restricted stock units at beginning of year (in dollars per share) 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 restricted shares and restricted stock units granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average fair value of restricted shares and restricted stock units vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted-average fair value of restricted shares and restricted stock units forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, 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) Future stock-based compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract] Fourth quarter 2013 (dollars) Share based compensation nonvested awards compensation cost to be recognized, next quarter 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. 2014 (dollars) Share based compensation nonvested awards compensation cost to be recognized, next calendar year 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. 2015 through 2018 (dollars) Share based compensation nonvested awards compensation cost to be recognized, between second calendar year and vest date 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. Total (dollars) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Organization, Consolidation and Presentation of Financial Statements [Abstract] The company and basis of preparation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Schedule of Available-for-sale Securities [Table] Equity Securities by Investment Objective [Axis] Equity Securities by Investment Objective [Axis] Equity Securities, Investment Objective [Domain] Equity Securities, Investment Objective [Domain] Stock and blended asset funds [Member] Equity Funds [Member] Bond funds [Member] Fixed Income Funds [Member] Investments in sponsored funds Aggregate cost Available-for-sale Equity Securities, Amortized Cost Basis Unrealized holding gains Available For Sale Equity Securities Accumulated Gross Unrealized Gain Before Tax A positive value represents the amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. Unrealized holding losses Available For Sale Equity Securities Accumulated Gross Unrealized Loss Before Tax A positive value represents the amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. Aggregate fair value Fund holdings with temporary unrealized holding losses (number of securities) Unrealized holding losses at September 30, 2013, are attributable to four fund holdings with an aggregate fair value of Other investments Other Investments [Text Block] The entire disclosure that details the components of Other Investments included on the balance sheet. ASSETS Assets [Abstract] Cash and cash equivalents Accounts receivable and accrued revenue Other investments Property and equipment Property, Plant and Equipment, Net Goodwill Goodwill, Gross Other assets Total assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Liabilities Liabilities [Abstract] Accounts payable and accrued expenses Accrued compensation and related costs Employee-related Liabilities Income taxes payable Customer deposits at savings bank subsidiary Total liabilities Commitments and contingent liabilities Commitments and Contingencies Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, undesignated, $.20 par value – authorized and unissued 20,000,000 shares Preferred Stock, Value, Issued Common stock, $.20 par value - authorized 750,000,000; issued 257,018,000 shares in 2012 and 260,872,000 in 2013 Common Stock, Value, Issued Additional capital in excess of par value Additional Paid in Capital, Common Stock Retained earnings Retained Earnings, Unappropriated Accumulated other comprehensive income Total stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity Investments in sponsored funds reconciliation Stock-based compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block]