Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Net loss	$ (3,540)	$ (35,140)
Other comprehensive income (loss):
Other comprehensive income (loss) before reclassifications	(609)	1,621
Amounts reclassified out of AOCI	8	105
Other comprehensive income (loss)	601	(1,726)
Total comprehensive loss	(4,141)	(33,414)
Foreign currency translation gains (losses)
Other comprehensive income (loss):
Amounts reclassified out of AOCI	(1,100)	2,272
Other comprehensive income (loss)	1,100	(2,272)
Defined benefit pension plans, net of tax impact
Other comprehensive income (loss):
Amounts reclassified out of AOCI	60	175
Other comprehensive income (loss)	(60)	(175)
Post-retirement plan adjustments
Other comprehensive income (loss):
Amounts reclassified out of AOCI	(52)	(70)
Other comprehensive income (loss)	52	70
Equity interest in investee’s other comprehensive income (loss)
Other comprehensive income (loss):
Amounts reclassified out of AOCI	491	(651)
Other comprehensive income (loss)	$ (491)	$ 651