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 loss	(25,957)		(25,950)			(7)
Acquisition of noncontrolling interest	200					200
Stock-based compensation	793	793
Other comprehensive income, net of tax	3,532			2,307	1,225
Ending balance at Jun. 30, 2015	172,632	469,357	(237,338)	(11,847)	(51,007)	3,467
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 loss	(31,539)		(31,505)			(34)
Restricted stock surrendered	(12)	(12)
Stock-based compensation	392	392
Other comprehensive income, net of tax	(1,813)			(2,274)	461
Ending balance at Jun. 30, 2016	$ 241,700	$ 471,210	$ (177,361)	$ (16,320)	$ (39,341)	$ 3,512