CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock Issued [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2011	$ 243,737	$ 501	$ 475,013	$ (242,586)	$ 10,809
Net income	18,305			18,305
Translation adjustments	2,228				2,228
Exercise of stock options	932	1	931
Equity-based compensation	5,952		5,952
Treasury stock purchase and retirement	(17,672)	(20)	(17,652)
Tax withholding related to vesting of restricted stock, net	(1,742)	2	(1,744)
Income tax benefit from equity awards	(132)		(132)
Balance at Sep. 30, 2012	$ 251,608	$ 484	$ 462,368	$ (224,281)	$ 13,037