CONDENSED STATEMENTS OF CONSOLIDATED STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Retained Deficit [Member]	Currency Translation Adjustment [Member]	Pensions, Net of Tax [Member]	Noncontrolling Interest [Member]
Beginning 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)	(31,788)		(31,836)			48
Stock-based compensation	1,457	1,457
Other comprehensive income, net of tax	(3,252)			(4,079)	827
Ending balance at Sep. 30, 2014	215,014	467,139	(213,890)	(5,719)	(35,859)	3,343
Beginning balance at Mar. 31, 2015	197,268	468,564	(208,184)	(14,154)	(52,232)	3,274
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(47,716)		(47,651)			(65)
Increase in capitalization of non-controlling 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	$ 158,499	$ 469,982	$ (255,835)	$ (13,511)	$ (45,546)	$ 3,409