Significant Accounting Policies Consolidation (Details)	3 Months Ended			9 Months Ended
	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2015
Variable Interest Entity
Variable Interest Entity, Number of Collateralized Securites Vehicles	0	0	0	0
Variable Interest Entity, Primary Beneficiary, Number of Collateralized Securites Vehicles	2	2	2	2
Number of Sponsored Investment Fund Vie	1	1	1	1
Variable Interest Entity Controlling Financial Interest Number of Sponsored Investment Fund Vres	0	0	1	0
Investment in Proprietary Fund Products, Initial Investment	100.00%			100.00%
Employee Owned Funds	14	17	16	14