CONDENSED STATEMENTS OF CONSOLIDATED STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock	Retained Deficit	Currency Translation Adjustment	Pensions, Net of Tax	Noncontrolling Interest	Total Equity
Beginning balance at Mar. 31, 2010		$ 460,971	$ (49,242)	$ (3,691)	$ (17,638)	$ 4,522	$ 394,922
Net income			32,112			(219)	31,983
Restricted stock surrendered		(585)					(585)
Exercise of employee stock options		106					106
Stock-based compensation	1,510	1,509					1,509
Shares purchased		(9,042)					(9,042)
Purchase of additional investment in subsidiary		21				(234)	(213)
Noncontrolling interest dividend paid						(284)	(284)
Conversion of foreign currency financial statements				795		(18)	777
Ending balance at Dec. 31, 2010	419,083	452,980	(17,130)	(2,896)	(17,638)	3,767	419,083
Beginning balance at Mar. 31, 2011	316,012	455,409	(120,793)	(1,376)	(20,427)	3,199	316,012
Net income			9,354			(49)	9,305
Restricted stock surrendered		(183)					(183)
Stock-based compensation	2,558	2,429					2,429
Conversion of foreign currency financial statements				(2,794)			(2,794)
Adjustment in pensions					931		931
Ending balance at Dec. 31, 2011	$ 325,700	$ 457,655	$ (111,439)	$ (4,170)	$ 19,496	$ 3,150	$ 325,700