CONDENSED STATEMENTS OF CONSOLIDATED STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained Deficit	Currency Translation Adjustment	Pensions, Net of Tax	Noncontrolling Interests
Beginning balance at Mar. 31, 2015	$ 194,064	$ 468,564	$ (211,388)	$ (14,154)	$ (52,232)	$ 3,274
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(47,080)		(47,015)			(65)
Acquisition of noncontrolling interest	200					200
Restricted stock surrendered	(54)	(54)
Stock-based compensation	1,472	1,472
Other comprehensive income, net of tax	7,329			643	6,686
Ending balance at Sep. 30, 2015	155,931	469,982	(258,403)	(13,511)	(45,546)	3,409
Beginning balance at Mar. 31, 2016	274,672	470,830	(145,856)	(14,046)	(39,802)	3,546
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(47,152)		(47,163)			11
Restricted stock surrendered	(14)	(14)
Stock-based compensation	845	845
Other comprehensive income, net of tax	(1,938)			(2,859)	921
Ending balance at Sep. 30, 2016	$ 226,413	$ 471,661	$ (193,019)	$ (16,905)	$ (38,881)	$ 3,557