Condensed Consolidated Statements Of Stockholders' Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares, Outstanding		48,082,800		(600,000)
Stockholders' Equity Attributable to Parent	$ 1,035,744	$ 481	$ 354,210	$ (42,543)	$ 769,575	$ (45,979)
Net income	32,449				32,449
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	33,500					1,051
Other Comprehensive Income (Loss), Net of Tax	1,051
Dividends, Common Stock, Cash	(21,758)				(21,758)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		155,538
Stock Issued During Period, Value, Stock Options Exercised	5,259	$ 2	5,257
Stock Issued During Period, Shares, Restricted Stock Award, Gross		39,077
Stock Issued During Period, Value, Restricted Stock Award, Gross	0	$ 0	0
Common Shares Repurchased And Retired During Period Shares		(616,400)		600,000
Stock Repurchased and Retired During Period, Value	(1,177)	$ (6)	(5,586)	$ 42,543	(38,128)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	5,086		5,051		35
Shares, Outstanding		47,661,015		0
Stockholders' Equity Attributable to Parent	1,056,654	$ 477	358,932	$ 0	742,173	(44,928)
Shares, Outstanding		47,654,929		0
Stockholders' Equity Attributable to Parent	1,311,192	$ 476	465,652	$ 0	891,526	(46,462)
Net income	(6,404)				(6,404)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(14,410)					(8,006)
Other Comprehensive Income (Loss), Net of Tax	$ (8,006)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	41,530	41,530
Stock Issued During Period, Value, Stock Options Exercised	$ 952	$ 0	1,583		(631)
Stock Issued During Period, Shares, Restricted Stock Award, Gross		177,496
Stock Issued During Period, Value, Restricted Stock Award, Gross	0	$ (2)	(2)
Common Shares Repurchased And Retired During Period Shares		(760,532)
Stock Repurchased and Retired During Period, Value	(62,966)	$ (7)	(11,116)		(51,843)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	6,313		6,313		0
Shares, Outstanding		47,113,423		0
Stockholders' Equity Attributable to Parent	$ 1,241,081	$ 471	$ 462,430	$ 0	$ 832,648	$ (54,468)