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Business Combinations (Details) (USD $)	0 Months Ended	6 Months Ended	0 Months Ended				0 Months Ended
	Apr. 01, 2014	Jun. 30, 2014	Mar. 31, 2014 Southern Sun Asset Management, LLC	Mar. 31, 2014 Southern Sun Asset Management, LLC Institutional	Mar. 31, 2014 Southern Sun Asset Management, LLC Mutual Fund	Mar. 31, 2014 Southern Sun Asset Management, LLC High Net Worth	Mar. 31, 2014 River Road Asset Management, LLC	Mar. 31, 2014 River Road Asset Management, LLC Institutional	Mar. 31, 2014 River Road Asset Management, LLC Mutual Fund	Mar. 31, 2014 River Road Asset Management, LLC High Net Worth
Business Acquisition
Goodwill percentage attributable to segments				37.00%	23.00%	40.00%		31.00%	51.00%	18.00%
Tax deduction period for goodwill and client relationships amortization expense	15 years		15 years				15 years
Revenue		$ 12,500,000
Earnings		$ 1.2

X

- Definition

Tax deduction period for goodwill and client relationships amortization expense.

+ References

No definition available.

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X

- Definition

Percentage of goodwill, attributable to business segment, arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

No definition available.

+ Details

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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