UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Shares Held Under Employee Participation Plan	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Earnings
Balance at beginning of period at Dec. 31, 2014	$ 1,262,871	$ 589	$ (469)	$ 805,029	$ (110,842)	$ 568,564
Balance beginning of period (in shares) at Dec. 31, 2014		58,903
Increase (Decrease) in Stockholders' Equity
Net (loss) income	(7,089)					(7,089)
Other comprehensive loss	(77,403)				(77,403)
Stock-based compensation	1,850			1,850
Issuance of restricted shares, net of shares remitted	(1,154)	1		(1,155)
Issuance of restricted shares, net of shares remitted		44
Repurchases of common stock	(16,115)	(3)		(16,112)
Repurchases of common stock		(286)
Net tax benefit on stock-based awards	(111)			(111)
Balance at end of period at Mar. 31, 2015	$ 1,162,849	$ 587	$ (469)	$ 789,501	$ (188,245)	$ 561,475
Balance ending of period (in shares) at Mar. 31, 2015		58,661