The impact of foreign exchange on the balance of noncontrolling interest holders

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This is the accretion on the MEP plans and it is reclassified out of retained earnings and into Noncontrolling Interests throughout the quarter

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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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.

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No definition available.

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Portion of net income (loss) attributable to nonredeemable noncontrolling interest.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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Amount of cash inflow (outflow) from (to) a noncontrolling interest. Excludes dividends paid to the noncontrolling interest.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Noncontrolling Interests Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	$ 676,950	$ 727,706		$ 676,950	$ 727,706	$ 732,295	$ 677,772
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest	8,852	17,228		24,460	37,514
Proceeds from (Payments to) Noncontrolling Interests				(36,328)	44,708
Noncontrolling Interest, Period Increase (Decrease), Foreign Exchange				(5,009)	1,500
RE Reclassified for MEP Amortization					3,165
Noncontrolling Interest, Change in Redemption Value				14,962
CIVs and Other
Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	89,755	113,794		89,755	113,794	125,047	58,470
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest			$ 7,923	1,036
Proceeds from (Payments to) Noncontrolling Interests			47,401	(36,328)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			0	0
RE Reclassified for MEP Amortization			0	0
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	539,972	583,442		539,972	583,442	573,950	591,254
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest			29,591	23,424
Proceeds from (Payments to) Noncontrolling Interests			(2,693)	0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(36,953)	(25,538)	(36,953)
Noncontrolling Interest, Period Increase (Decrease), Foreign Exchange			1,500	(5,009)
Noncontrolling Interest, Change in Redemption Value			743	1,037
Management Equity Plan [Member]
Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	47,223	30,470		47,223	30,470	33,298	28,048
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest			0	0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			0	0
RE Reclassified for MEP Amortization			2,422
Noncontrolling Interest, Change in Redemption Value				13,925
Royce [Member]
Noncontrolling Interest [Line Items]
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	1,646	2,096	6,387	6,583	6,387
RARE Management Team [Member] \| Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests				(15,547)
Noncontrolling Interest, Change in Redemption Value				(12,345)
Management Equity Plan [Member] \| Royce [Member]
Noncontrolling Interest [Line Items]
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest				6,583	6,387
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			$ (6,524)	(6,820)	(6,524)
Stockholders' Equity Attributable to Noncontrolling Interest	$ 27,494	$ 27,661		$ 27,494	$ 27,661	$ 27,731	$ 27,798