CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Total
Balances at Dec. 31, 2013	$ 275	$ 296,133	$ 296,735	$ (57,770)	$ (14,912)	$ 520,461
Balances (in shares) at Dec. 31, 2013	27,507			1,678
Increase (Decrease) in Stockholders' Equity
Net income			31,633			31,633
Other comprehensive loss, net of tax					(3,788)	(3,788)
Issuance of common stock under share-based compensation plans	2	1,032				1,034
Issuance of common stock under share-based compensation plans (in shares)	190
Tax effect of share-based compensation plans		(1,162)				(1,162)
Share-based compensation expense		5,362				5,362
Dividends declared on common stock			(2,458)			(2,458)
Balances at Sep. 30, 2014	$ 277	$ 301,365	$ 325,910	$ (57,770)	$ (18,700)	$ 551,082
Balances (in shares) at Sep. 30, 2014	27,697			1,678