Other (Income) Expense Net, (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Components of other expense, net
Currency remeasurement loss	$ (1,868)	$ 3,566	$ (1,616)	$ 12,949
Reorganization items (b)	267	204	1,068	1,069
Gain on interest rate swap	0	(208)	0	(4,503)
Other	(400)	(159)	(355)	(242)
Other expense, net	$ (2,001)	$ 3,403	$ (903)	$ 9,273