STATEMENTS OF CONSOLIDATED STOCKHOLDERS' EQUITY (AS RESTATED) - USD ($) $ in Thousands		Total	Common Stock [Member]	Retained Deficit (As Restated) [Member]	Currency Translation Adjustment [Member]	Pensions, Net of Tax [Member]	Noncontrolling Interest [Member]
Beginning balance at Mar. 31, 2012	[1]	$ 316,857	$ 457,497	$ (104,906)	$ (2,922)	$ (35,751)	$ 2,939
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		24,612	0	23,913	0	0	699
Restricted stock surrendered		(159)	(159)	0	0	0	0
Stock-based compensation		3,576	3,576	0	0	0	0
Total other comprehensive income (loss), net of tax		(16,744)	0	0	(2,802)	(13,942)	0
Ending balance at Mar. 31, 2013		328,142	460,914	(80,993)	(5,724)	(49,693)	3,638
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(101,404)	0	(101,061)	0	0	(343)
Restricted stock surrendered		(337)	(337)	0	0	0	0
Stock-based compensation		5,105	5,105	0	0	0	0
Total other comprehensive income (loss), net of tax		17,091	0	0	4,084	13,007	0
Ending balance at Mar. 31, 2014		248,597	465,682	(182,054)	(1,640)	(36,686)	3,295
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(26,302)	0	(26,130)	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
Total other comprehensive income (loss), net of tax		(28,060)	0	0	(12,514)	(15,546)	0
Ending balance at Mar. 31, 2015		$ 197,268	$ 468,564	$ (208,184)	$ (14,154)	$ (52,232)	$ 3,274

[1] The balance shown for retained deficit as of March 31, 2012 has been amended in this financial statement to reflect the effect of the adjustments described in Note 1A.