CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock Issued [Member]	Additional Paid-In Capital [Member]	Notes Receivable Shareholder [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2009	$ 281,042	$ 594	$ 544,896	$ (1,814)	$ (268,851)	$ 6,217
Net income	4,831				4,831
Write-off of cumulative translation adjustments, net of tax	4,676					4,676
Translation adjustments	1,777					1,777
Change in unrealized gain, derivatives, net of taxes	1,009					1,009
Equity-based compensation	8,581		8,581
Treasury stock purchase and retirement	(59,342)	(81)	(59,261)
Redemption of restricted shares, net	(1,822)	10	(1,832)
Income tax deficiency from equity awards	(551)		(551)
Payments related to notes receivable, shareholder	1,814			1,814
Balance at Dec. 31, 2010	242,015	523	491,833		(264,020)	13,679
Net income	21,434				21,434
Write-off of cumulative translation adjustments, net of tax
Translation adjustments	(2,870)
Change in unrealized gain, derivatives, net of taxes						(2,870)
Equity-based compensation	6,646		6,646
Exercise of stock options	614	1	613
Treasury stock purchase and retirement	(22,066)	(30)	(22,036)
Redemption of restricted shares, net	(1,572)	7	(1,579)
Income tax deficiency from equity awards	(464)		(464)
Balance at Dec. 31, 2011	243,737	501	475,013		(242,586)	10,809
Net income	27,590				27,590
Write-off of cumulative translation adjustments, net of tax
Translation adjustments	2,293
Change in unrealized gain, derivatives, net of taxes						2,293
Equity-based compensation	7,892		7,892
Exercise of stock options	932	1	931
Treasury stock purchase and retirement	(27,892)	(32)	(27,860)
Redemption of restricted shares, net	(2,259)	7	(2,266)
Income tax deficiency from equity awards	(89)		(89)
Balance at Dec. 31, 2012	$ 252,204	$ 477	$ 453,621		$ (214,996)	$ 13,102