Other (Income) Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Components of other expense, net
Currency remeasurement (gain) loss	$ 16,139	[1]	$ (6,944)	[1]	$ 16,827	[1]	$ (1,334)	[1]
Other	(124)		(563)		(115)		(1,008)
Total	$ 16,015		$ (7,507)		$ 16,712		$ (2,342)

[1] The currency remeasurement (gain) loss related primarily to intercompany loans to foreign subsidiaries denominated in euros.