Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock	Capital In Excess of Par	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance beginning of period, value at Dec. 31, 2012	$ 111,482	$ 491	$ 606,495	$ (420,085)	$ (75,419)
Balance beginning of period, shares at Dec. 31, 2012	49,140,091	49,140,091
Net income	9,340			9,340
Foreign currency translation adjustment	(2,892)				(2,892)
Unrealized losses	(219)				(219)
Pension liability adjustment	550				550
Stock options, stock appreciation rights, and restricted stock, shares		78,000
Stock options, stock appreciation rights, and restricted stock	(360)	1	(361)
Stock compensation expense	1,362		1,362
Balance end of period, value at Mar. 31, 2013	$ 119,263	$ 492	$ 607,496	$ (410,745)	$ (77,980)
Balance end of period, shares at Mar. 31, 2013	49,218,451	49,218,451