CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2014	$ 997	$ 318,636	$ 1,041,909	$ (525,015)	$ (50,443)	$ 786,084
Balance (in shares) at Dec. 31, 2014	99,701
Increase (Decrease) in Stockholders' Equity
Net income			67,113			67,113
Recognition of equity compensation		12,473				12,473
Net issuance/forfeiture of nonvested shares		(389)		389
Dividends accrued, $0.43 per share			(35,938)			(35,938)
Excess tax benefits from share-based payment arrangements		747				747
Repurchase of common stock				(4,599)		(4,599)
Other comprehensive income					2,753	2,753
Balance at Mar. 31, 2015	$ 997	$ 331,467	$ 1,073,084	$ (529,225)	$ (47,690)	$ 828,633
Balance (in shares) at Mar. 31, 2015	99,701