CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning Balance at Dec. 31, 2010	$ 188,611	$ 52	$ 1,229,684	$ (520)	$ (1,040,170)	$ (435)
Beginning Balance (in shares) at Dec. 31, 2010		52,017
Net income (loss)	(1,500)				(1,500)
Foreign currency translation adjustment	200					200
Stock compensation plans activity and stock-based compensation (in shares)		257
Stock compensation plans activity and stock-based compensation	898		1,379	(481)
Ending Balance at Mar. 31, 2011	188,209	52	1,231,063	(1,001)	(1,041,670)	(235)
Ending Balance (in shares) at Mar. 31, 2011		52,274
Beginning Balance at Dec. 31, 2011	192,170	53	1,235,554	(1,266)	(1,041,872)	(299)
Beginning Balance (in shares) at Dec. 31, 2011		52,528
Net income (loss)	107				107
Foreign currency translation adjustment	85					85
Stock compensation plans activity and stock-based compensation (in shares)		540
Stock compensation plans activity and stock-based compensation	1,442		2,163	(721)
Ending Balance at Mar. 31, 2012	$ 193,804	$ 53	$ 1,237,717	$ (1,987)	$ (1,041,765)	$ (214)
Ending Balance (in shares) at Mar. 31, 2012		53,068