Intangible Assets and Goodwill (Tables)

12 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Components of intangible assets

	March 31, 2014			March 31, 2013
Amortizable asset management contracts
Cost	$	207,224		$	208,651
Accumulated amortization	(197,255		)	(186,324		)
Net	9,969			22,327
Indefinite–life intangible assets
U.S. domestic mutual fund management contracts	2,106,351			2,106,351
Permal/Fauchier funds-of-hedge fund management contracts	698,104			692,133
Other fund management contracts	304,549			303,951
Trade names	52,800			52,800
	3,161,804			3,155,235
Intangible assets, net	$	3,171,773		$	3,177,562

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

	Projected Cash Flow Growth Rates
	Range	Weighted- Average	Discount Rates
Domestic mutual funds contracts asset	3% to 9%	6%	14.5%
Permal funds-of-hedge funds contracts and trade name assets	(1)% to 17%	8%	16.0%

Estimated amortization expense

2015	$	3,381
2016	3,145
2017	2,479
2018	482
2019	482
Thereafter	—
Total	$	9,969

Changes in carrying value of goodwill

	Gross Book Value			Accumulated Impairment			Net Book Value
Balance as of March 31, 2012	$	2,436,945		$	(1,161,900	)	$	1,275,045
Impact of excess tax basis amortization	(21,573		)	—			(21,573		)
Business acquisition (see Note 2)	28,983			—			28,983
Other, including changes in foreign exchange rates	(13,290		)	—			(13,290		)
Balance as of March 31, 2013	2,431,065			(1,161,900		)	1,269,165
Impact of excess tax basis amortization	(21,675		)	—			(21,675		)
Other, including changes in foreign exchange rates	(6,967		)	—			(6,967		)
Balance as of March 31, 2014	$	2,402,423		$	(1,161,900	)	$	1,240,523