The amount of assets under management acquired as part of a business combination.

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- Definition

Fair value, as of the Balance Sheet date, of potential payments under the contingent consideration arrangement.

+ Details

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- Definition

Current portion of the fair value as of the Balance Sheet date of potential payments under the contingent consideration arrangement.

+ Details

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- Definition

Noncurrent portion of the fair value as of the Balance Sheet date of potential payments under the contingent consideration arrangement.

+ Details

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- Definition

Business Acquisition Contingent Consideration Payable Period

+ Details

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- Definition

Amount of upfront cash paid to acquire the entity.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

+ Details

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- Definition

The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Business Combinations and Acquisitions Narrative (Details) (USD $)	6 Months Ended	3 Months Ended			6 Months Ended
	Dec. 31, 2010	Sep. 30, 2010 Sun Trust Acquisition [Member] years	Sep. 30, 2011 Sun Trust Acquisition [Member]	Mar. 31, 2011 Sun Trust Acquisition [Member]	Dec. 31, 2010 Sun Trust Acquisition [Member] Money Market Funds [Member]
Business acquisition assets under management acquired					$ 14,100,000,000
Total upfront payments	6,600,000
Business Acquisition Contingent Consideration Payable Period		5
Contingent payments			25,000,000
Identifiable intangible assets, indefinite life				24,100,000
Fair value of future consideration payments liability			18,400,000
Fair value of future consideration payments liability, current	5,300,000		5,000,000
Fair value of future consideration payments liability, noncurrent			$ 13,400,000