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, 2012	$ 458,999	$ 273	$ 289,711	$ 284,157	$ (57,770)	$ (57,372)
Balances (in shares) at Dec. 31, 2012		27,296			1,678
Increase (Decrease) in Stockholders' Equity
NET INCOME	5,465			5,465
Other comprehensive income, net of tax	35,902					35,902
Issuance of common stock under share-based compensation plans		1	(1)
Issuance of common stock under share-based compensation plans (in shares)		112
Tax effect of share-based compensation plans and other	(1,844)		(1,844)
Share-based compensation expense	3,579		3,579
Dividends declared on common stock	(2,418)			(2,418)
Balances at Sep. 30, 2013	$ 499,683	$ 274	$ 291,445	$ 287,204	$ (57,770)	$ (21,470)
Balances (in shares) at Sep. 30, 2013		27,408			1,678