Noncontrolling Interests Noncontrolling Interest Roll Forward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance at March 31, 2014			$ 0
Additions due to acquisition of controlling interest in ISSC			52,467
Net loss attributable to noncontrolling interests	(1,259)	0	(2,862)	0
Other comprehensive loss attributable to noncontrolling interests	149	0	(866)	0
Purchase of additional interests			(23,054)
Other			304
Balance at December 31, 2014	$ 25,989		$ 25,989