STATEMENTS OF CONSOLIDATED STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Retained Deficit [Member]	Currency Translation Adjustment [Member]	Pensions, Net of Tax [Member]	Noncontrolling Interest [Member]
Beginning balance at Mar. 31, 2012	$ 330,421	$ 457,497	$ (91,342)	$ (2,922)	$ (35,751)	$ 2,939
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	24,712	0	24,013	0	0	699
Restricted stock surrendered	(159)	(159)	0	0	0	0
Stock-based compensation	3,576	3,576	0	0	0	0
Other comprehensive income (loss), net of tax	(16,519)	0	0	(2,802)	(13,717)	0
Ending balance at Mar. 31, 2013	342,031	460,914	(67,329)	(5,724)	(49,468)	3,638
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(87,002)	0	(86,659)	0	0	(343)
Restricted stock surrendered	(337)	(337)	0	0	0	0
Stock-based compensation	5,105	5,105	0	0	0	0
Other comprehensive income (loss), net of tax	17,091	0	0	4,084	13,007	0
Ending balance at Mar. 31, 2014	276,888	465,682	(153,988)	(1,640)	(36,461)	3,295
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(15,597)	0	(15,425)	0	0	(172)
Acquisition of noncontrolling interest	151	0	0	0	0	151
Restricted stock surrendered	(146)	(146)	0	0	0	0
Stock-based compensation	3,028	3,028	0	0	0	0
Other comprehensive income (loss), net of tax	(28,060)	0	0	(12,514)	(15,546)	0
Ending balance at Mar. 31, 2015	$ 236,264	$ 468,564	$ (169,413)	$ (14,154)	$ (52,007)	$ 3,274