Percentage of assumed growth rate in projected cash flows, used as an input to measure fair value, average

No definition available.

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- Definition

Percentage of assumed growth rate in projected cash flows, used as an input to measure fair value, high end of range

+ References

No definition available.

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- Definition

Percentage of assumed growth rate in projected cash flows, used as an input to measure fair value, low end of range

+ References

No definition available.

+ Details

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- Definition

Amount used to represent the attrition when calculating the fair value of amortizable asset management contracts

+ References

No definition available.

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- Definition

Percentage of assumed long-term growth in AUM, used as an input to measure fair value.

+ References

No definition available.

+ Details

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- Definition

In order to calculate the present value of the performance units issued to Clarion the long-term growth rate of their EBITDA was used.

+ References

No definition available.

+ Details

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

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.

+ References

No definition available.

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- Definition

Number of shares issued pursuant to the terms of a deferred compensation arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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- Definition

Aggregate value of stock related to Restricted Stock Awards issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Acquisitions Clarion Partners Fair Value Inputs (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2016
Clarion Partners [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Long-term EBITDA Growth Rate		6.00%
Fair Value Assumptions, Risk Free Interest Rate		2.30%
Legg Mason, Inc \| Clarion Partners [Member]
Business Acquisition [Line Items]
Fair Value Assumptions, Expected Volatility Rate		38.00%
Clarion Partners [Member] \| Clarion Partners [Member]
Business Acquisition [Line Items]
Fair Value Assumptions, Expected Volatility Rate		30.00%
Restricted Stock [Member] \| Clarion Partners [Member]
Business Acquisition [Line Items]
Deferred Compensation Arrangement with Individual, Shares Issued		716
Stock Issued During Period, Value, Restricted Stock Award, Gross		$ 11,121
Fund management contracts [Member] \| Clarion Partners [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			10 years
Fair Value, Inputs, Level 3 [Member] \| Fund management contracts [Member] \| Clarion Partners [Member]
Business Acquisition [Line Items]
Fair Value Input, Projected Cash Flow Growth Rate, Low End of Range		6.00%
Fair Value Input, Projected Cash Flow Growth Rate, High End of Range		20.00%
Fair Value Input, Projected Cash Flow Growth Rate, Average		6.00%
Fair Value Inputs, Discount Rate		13.50%
Fair Value, Inputs, Level 3 [Member] \| Trade Names
Business Acquisition [Line Items]
Fair Value Input, Projected Cash Flow Growth Rate, Average	8.00%
Fair Value Inputs, Discount Rate	16.50%
Fair Value, Inputs, Level 3 [Member] \| Trade Names \| Clarion Partners [Member]
Business Acquisition [Line Items]
Fair Value Input, Projected Cash Flow Growth Rate, Low End of Range		5.00%
Fair Value Input, Projected Cash Flow Growth Rate, High End of Range		17.00%
Fair Value Input, Projected Cash Flow Growth Rate, Average		6.00%
Fair Value Inputs, Discount Rate		13.50%
Fair Value, Inputs, Level 3 [Member] \| Asset Management Contracts
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate	16.50%
Fair Value Inputs, Long-term AUM Growth Rate	7.00%
Fair Value Inputs, Attrition Rate	(20.00%)
Fair Value, Inputs, Level 3 [Member] \| Asset Management Contracts \| Clarion Partners [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Discount Rate			13.40%
Fair Value Inputs, Long-term AUM Growth Rate			7.00%
Fair Value Inputs, Attrition Rate			(10.00%)