CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss
Balances at Dec. 31, 2013	$ 520,461	$ 275	$ 296,133	$ 296,735	$ (57,770)	$ (14,912)
Balances (in shares) at Dec. 31, 2013		27,507			1,678
Increase (Decrease) in Stockholders' Equity
Net income	12,015			12,015
Other comprehensive loss, net of tax	(1,871)					(1,871)
Issuance of common stock under share-based compensation plans	1,034	2	1,032
Issuance of common stock under share-based compensation plans (in shares)		185
Tax effect of share-based compensation plans	(1,202)		(1,202)
Share-based compensation expense	3,668		3,668
Dividends declared on common stock	(1,635)			(1,635)
Balances at Jun. 30, 2014	$ 532,470	$ 277	$ 299,631	$ 307,115	$ (57,770)	$ (16,783)
Balances (in shares) at Jun. 30, 2014		27,692			1,678