Consensed 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, 2011	$ 316,012	$ 455,409	$ (120,793)	$ (1,376)	$ (20,427)	$ 3,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,350	0	1,321	0	0	29
Restricted stock surrendered	(7)	(7)	0	0	0	0
Stock-based compensation	1,018	1,018	0	0	0	0
Other comprehensive income (loss), net of tax	1,612	0	0	681	931	0
Ending balance at Jun. 30, 2011	319,985	456,420	(119,472)	(695)	(19,496)	3,228
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	(30,272)	0	(30,743)			471
Restricted stock surrendered	(93)	(93)	0			0
Stock-based compensation	2,330	2,330	0			0
Other comprehensive income (loss), net of tax	(1,776)	0	0	(1,776)	0	0
Ending balance at Jun. 30, 2012	$ 300,610	$ 459,734	$ (122,085)	$ (4,698)	$ (35,751)	$ 3,410