Noncontrolling Interests Rollforward (Tables)

9 Months Ended

Dec. 31, 2017

Noncontrolling Interest [Line Items]

Net Income (Loss) Attributable to Noncontrolling Interests [Table Text Block]

	Three Months Ended December 31,				Nine Months Ended December 31,
	2017		2016		2017		2016
Net income attributable to redeemable noncontrolling interests	$	17,228	$	11,063	$	37,514	$	39,335
Net income attributable to nonredeemable noncontrolling interests	2,096		2,025		6,387		5,732
Total	$	19,324	$	13,088	$	43,901	$	45,067

Redeemable Noncontrolling Interest [Table Text Block]

	Redeemable noncontrolling interests
	Consolidated investment vehicles(1) and other		Affiliate
			Noncontrolling Interests			Management equity plans		Total			Nonredeemable noncontrolling interests(2)
Balance as of March 31, 2017	$	58,470	$	591,254		$	28,048	$	677,772		$	27,798
Net income attributable to noncontrolling interests	7,923		29,591			—		37,514			6,387
Net subscriptions (redemptions) and other	47,401		(2,693		)	—		44,708			—
Distributions	—		(36,953		)	—		(36,953		)	(6,524		)
Foreign exchange	—		1,500			—		1,500			—
Vesting/change in estimated redemption value	—		743			2,422		3,165			—
Balance as of December 31, 2017	$	113,794	$	583,442		$	30,470	$	727,706		$	27,661

	Redeemable noncontrolling interests
	Consolidated investment vehicles(1) and other			Affiliate
				Noncontrolling Interests			Management equity plans		Total			Nonredeemable noncontrolling interests(2)
Balance as of March 31, 2016	$	94,136		$	68,922		$	12,727	$	175,785		$	22,202
Net income attributable to noncontrolling interests	8,153			31,182			—		39,335			5,732
Net subscriptions (redemptions) and other(3)	(20,914		)	2,604			—		(18,310		)	—
Distributions	—			(18,797		)	—		(18,797		)	(4,555		)
Grants (settlements), net	—			—			6,120		6,120			—
Business acquisitions	—			510,500			—		510,500			—
Foreign exchange	—			(4,094		)	—		(4,094		)	—
Vesting/change in estimated redemption value	—			—			6,261		6,261			—
Balance as of December 31, 2016	$	81,375		$	590,317		$	25,108	$	696,800		$	23,379

(1) Principally related to VIE and seeded investment products.

(2) Related to Royce management equity plan.

(3) Includes the impact related to the adoption of updated consolidation accounting guidance.

	Redeemable noncontrolling interests
	EnTrust-Permal			Clarion Partners			RARE Infrastructure			Other			Total
Balance as of March 31, 2017	$	404,852		$	113,173		$	68,747		$	4,482		$	591,254
Net income attributable to noncontrolling interests	17,014			9,725			2,948			(96		)	29,591
Redemptions	—			—			—			(2,693		)	(2,693		)
Distributions	(23,759		)	(9,462		)	(3,597		)	(135		)	(36,953		)
Foreign exchange	—			—			1,500			—			1,500
Change in estimated redemption value	—			743			—			—			743
Balance as of December 31, 2017	$	398,107		$	114,179		$	69,598		$	1,558		$	583,442

	Redeemable noncontrolling interests
	EnTrust-Permal			Clarion Partners			RARE Infrastructure			Other			Total
Balance as of March 31, 2016	$	—		$	—		$	67,155		$	1,767		$	68,922
Net income attributable to noncontrolling interests	17,099			8,839			4,731			513			31,182
Subscriptions	—			—			—			2,604			2,604
Distributions	(12,855		)	(2,733		)	(2,703		)	(506		)	(18,797		)
Business acquisitions	403,200			105,300			—			2,000			510,500
Foreign exchange	—			—			(4,094		)	—			(4,094		)
Balance as of December 31, 2016	$	407,444		$	111,406		$	65,089		$	6,378		$	590,317