Fair Values of Assets and Liabilities by Level (Details 1) - USD ($) $ in Thousands		Sep. 30, 2016		Mar. 31, 2016		Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proprietary Fund Products Equity Securities		72.00%		68.00%
Proprietary Fund Products Debt Securities		28.00%		32.00%
Business Combination, Contingent Consideration, Liability		$ (52,053)		$ (84,585)		$ (110,784)
Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	[1]	243,835		1,057,916
Time Deposits, at Carrying Value	[1]	22,839		35,265
Cash and Cash Equivalents, Fair Value Disclosure	[1]	266,674		1,093,181
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	[2],[3]	277		8,650
Other Investments	[2]	280		83
Assets, Fair Value Disclosure		794,572		1,662,554
Short-term Investments	[4]	446,610		515,335
Business Combination, Contingent Consideration, Liability	[5]	(52,053)		(84,585)
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		(5,744)	[2]	(18,079)	[3]
Liabilities, Fair Value Disclosure, Recurring		(57,797)		(102,664)
Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	[1]	243,835		1,057,916
Time Deposits, at Carrying Value	[1]	0		0
Cash and Cash Equivalents, Fair Value Disclosure	[1]	243,835		1,057,916
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	[2],[3]	277		1,051
Other Investments	[2]	0		0
Assets, Fair Value Disclosure		581,344		1,436,584
Short-term Investments	[4]	337,232		377,617
Business Combination, Contingent Consideration, Liability	[5]	0		0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		(5,744)	[2]	(18,079)	[3]
Liabilities, Fair Value Disclosure, Recurring		(5,744)		(18,079)
Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	[1]	0		0
Time Deposits, at Carrying Value	[1]	22,839		35,265
Cash and Cash Equivalents, Fair Value Disclosure	[1]	22,839		35,265
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	[2],[3]	0		7,599
Other Investments	[2]	0		0
Assets, Fair Value Disclosure		124,625		161,258
Short-term Investments	[4]	101,690		118,394
Business Combination, Contingent Consideration, Liability	[5]	0		0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		0	[2]	0	[3]
Liabilities, Fair Value Disclosure, Recurring		0		0
Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	[1]	0		0
Time Deposits, at Carrying Value	[1]	0		0
Cash and Cash Equivalents, Fair Value Disclosure	[1]	0		0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	[2],[3]	0		0
Other Investments	[2]	245		83
Assets, Fair Value Disclosure		40,500		13,021
Short-term Investments	[4]	2,653		3
Business Combination, Contingent Consideration, Liability	[5]	(52,053)		(84,585)
Derivative Liability, Fair Value, Amount Not Offset Against Collateral		0	[2]	0	[3]
Liabilities, Fair Value Disclosure, Recurring		(52,053)		(84,585)
Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		66,564		48,715
Assets, Fair Value Disclosure		74,482
Short-term Investments		66,564		48,715
Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		50,438		22,327
Assets, Fair Value Disclosure		50,438
Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		8,244
Assets, Fair Value Disclosure		0
Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		0
Assets, Fair Value Disclosure		0
Hedge Funds | Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		16,126		18,144
Investments		7,918
Hedge Funds | Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		0
Investments		0
Hedge Funds | Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		0
Investments		0
Hedge Funds | Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		0
Investments		0
Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6]	249,768		325,936
Equity Method Investments, Fair Value Disclosure	[7]	4,317		8,904
Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6]	157,241		205,608
Equity Method Investments, Fair Value Disclosure	[7]	0		1,329
Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6]	88,284		102,021
Equity Method Investments, Fair Value Disclosure	[7]	4,317		7,575
Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6]	0		3
Equity Method Investments, Fair Value Disclosure	[7]	0		0
Proprietary Funds [Member] | Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		50,438		30,571
Assets, Fair Value Disclosure				13,641
Proprietary Funds [Member] | Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		50,438		22,327
Proprietary Funds [Member] | Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		8,244
Proprietary Funds [Member] | Consolidated Investment Vehicles [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		0		0
Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6],[8]	38,660		67,464
Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6],[8]	35,523		65,112
Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6],[8]	3,126		2,331
Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6],[8]	0		0
Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[9]	145,249		106,564
Equity Method Investments, Fair Value Disclosure	[7]	8,616		6,467
Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[9]	144,468		105,568
Equity Method Investments, Fair Value Disclosure	[7]	0		0
Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[9]	0		0
Equity Method Investments, Fair Value Disclosure	[7]	5,963		6,467
Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[9]	0		0
Equity Method Investments, Fair Value Disclosure	[7]	2,653		0
Other Noncurrent Assets [Member] | Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	40,168	[4]	20,439
Cost Method Investments, Fair Value Disclosure	[2]	3,417
Other Noncurrent Assets [Member] | Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	0	[4]	0
Cost Method Investments, Fair Value Disclosure	[2]	0
Other Noncurrent Assets [Member] | Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	0	[4]	0
Cost Method Investments, Fair Value Disclosure	[2]	0
Other Noncurrent Assets [Member] | Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	552	[4]	627
Cost Method Investments, Fair Value Disclosure	[2]	0
Other Noncurrent Assets [Member] | Real Estate Investment [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	25,722
Other Noncurrent Assets [Member] | Real Estate Investment [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	0
Other Noncurrent Assets [Member] | Real Estate Investment [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	0
Other Noncurrent Assets [Member] | Real Estate Investment [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]	25,722
Other Noncurrent Assets [Member] | Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	3,923		7,931
Other Noncurrent Assets [Member] | Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	0		0
Other Noncurrent Assets [Member] | Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	96		0
Other Noncurrent Assets [Member] | Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	3,827		4,807
Other Noncurrent Assets [Member] | Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	7,501		7,501
Other Noncurrent Assets [Member] | Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	0		0
Other Noncurrent Assets [Member] | Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	0		0
Other Noncurrent Assets [Member] | Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2]	7,501		7,501
Other Noncurrent Assets [Member] | Other Long-term Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]			9,434
Other Noncurrent Assets [Member] | Other Long-term Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]			0
Other Noncurrent Assets [Member] | Other Long-term Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]			0
Other Noncurrent Assets [Member] | Other Long-term Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7]			0
Estimate of Fair Value Measurement [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	[1],[10]	0		0
Time Deposits, at Carrying Value	[1],[10]	0		0
Cash and Cash Equivalents, Fair Value Disclosure	[1],[10]	0		0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	[2],[3],[10]	0		0
Other Investments	[2],[10]	35		0
Assets, Fair Value Disclosure	[10]	48,103		51,691
Short-term Investments	[4],[10]	5,035		19,321
Business Combination, Contingent Consideration, Liability	[5],[10]	0		0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	[10]	0	[2]	0	[3]
Liabilities, Fair Value Disclosure, Recurring	[10]	0		0
Estimate of Fair Value Measurement [Member] | Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[11]	16,126		18,144
Assets, Fair Value Disclosure	[11]	24,044
Estimate of Fair Value Measurement [Member] | Hedge Funds | Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[11]	16,126		18,144
Investments	[11]	7,918
Estimate of Fair Value Measurement [Member] | Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6],[10]	4,243		18,304
Equity Method Investments, Fair Value Disclosure	[7],[10]	0		0
Estimate of Fair Value Measurement [Member] | Proprietary Funds [Member] | Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[11]	0		0
Estimate of Fair Value Measurement [Member] | Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[6],[8],[10]	11		21
Estimate of Fair Value Measurement [Member] | Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities	[9],[10]	781		996
Equity Method Investments, Fair Value Disclosure	[7],[10]	0		0
Estimate of Fair Value Measurement [Member] | Other Noncurrent Assets [Member] | Proprietary Funds [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7],[10]	39,616	[4]	19,812
Cost Method Investments, Fair Value Disclosure	[2],[10]	3,417
Estimate of Fair Value Measurement [Member] | Other Noncurrent Assets [Member] | Real Estate Investment [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7],[10]	0
Estimate of Fair Value Measurement [Member] | Other Noncurrent Assets [Member] | Other Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2],[10]	0		3,124
Estimate of Fair Value Measurement [Member] | Other Noncurrent Assets [Member] | Long Term Incentive Compensation Plans [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cost Method Investments, Fair Value Disclosure	[2],[10]	0		0
Estimate of Fair Value Measurement [Member] | Other Noncurrent Assets [Member] | Other Long-term Investments [Member] | Consolidated Entity Excluding Consolidated Investment Vehicles Before Eliminations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Method Investments, Fair Value Disclosure	[2],[7],[10]			9,434
Consolidated Investment Vehicles [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities		$ 23,197		$ 54,392

[1] Cash equivalents include highly liquid investments with original maturities of 90 days or less. Cash investments in actively traded money market funds are classified as Level 1. Cash investments in time deposits and other are measured at amortized cost, which approximates fair value because of the short time between purchase of the instrument and its expected realization, and are classified as Level 2.

[2] Amounts are included in Other non-current assets in the Consolidated Balance Sheets for each of the periods presented.

[3] See Note 12.

[4] Excludes $34,272 and $13,641 of seed capital as of September 30, 2016, and March 31, 2016, respectively, which is related to Legg Mason's investments in CIVs. See Note 13.

[5] See Note 3 and Note 9.

[6] Trading investments of proprietary fund products and other trading investments consist of approximately 72% and 28% equity and debt securities, respectively, as of September 30, 2016, and approximately 68% and 32% equity and debt securities, respectively, as of March 31, 2016.

[7] Legg Mason's equity method investments that are investment companies record underlying investments at fair value. Therefore, fair value is measured using Legg Mason's share of the investee's underlying net income or loss, which is predominately representative of fair value adjustments in the investments held by the equity method investee.

[8] Includes $23,197 and $54,392 in noncontrolling interests associated with consolidated seed investment products as of September 30, 2016 and March 31, 2016, respectively.

[9] Primarily mutual funds where there is minimal market risk to the Company as any change in value is primarily offset by an adjustment to compensation expense and related deferred compensation liability.

[10] Reflects certain investments measured at fair value using NAV (or its equivalent) as a practical expedient. These investments have not been classified in the fair value hierarchy.

[11] Reflects certain investments measured at fair value using NAV (or its equivalent) as a practical expedient. These investments have not been classified in the fair value hierarchy.