CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained (Deficit)/ Earnings	Accumulated Other Comprehensive Loss	Restricted Stock
Beginning Balance at Dec. 31, 2014	$ 947,830	$ 1		$ 67,422	$ 1,035,716	$ (186,244)	$ 30,935
Beginning Balance (in shares) at Dec. 31, 2014		83,742,000					564,000
Net income/(loss	252,526				252,526
Other comprehensive income, net of tax	(49,365)					(49,365)
Excess tax benefits on stock-based compensation plans	257						$ 257
Restricted stock activity	7,197						$ 7,197
Restricted stock activity (in shares)		205,000					(99,000)
Restricted stock activity (in shares)		205,000					(99,000)
Ending balance at Dec. 31, 2015	1,158,445	$ 1		67,422	1,288,242	(235,609)	$ 38,389
Ending Balance (in shares) at Dec. 31, 2015		83,947,000					465,000
Net income/(loss	(57,390)				(57,390)
Other comprehensive income, net of tax	(19,296)					(19,296)
Excess tax benefits on stock-based compensation plans	(7)						$ (7)
Restricted stock activity	6,651						$ 6,651
Restricted stock activity (in shares)		199,000					205,000
Restricted stock activity (in shares)		199,000					205,000
Dividends	(1,261,500)				(1,261,500)
Repurchases of common stock	(9,990)		$ (9,990)
Repurchases of common stock (in shares)		(511,000)
Ending balance at Dec. 31, 2016	(183,087)	$ 1	(9,990)	67,422	(30,648)	(254,905)	$ 45,033
Ending Balance (in shares) at Dec. 31, 2016		83,635,000					670,000
Net income/(loss	166,268				166,268
Other comprehensive income, net of tax	13,264					13,264
Restricted stock activity	6,806						$ 6,806
Restricted stock activity (in shares)		210,000					22,000
Restricted stock activity (in shares)		210,000					22,000
Repurchases of common stock	$ (16,173)		(16,173)
Repurchases of common stock (in shares)	880,435	881,000
Ending balance at Dec. 31, 2017	$ (12,922)	$ 1	$ (26,163)	$ 67,422	$ 135,620	$ (241,641)	$ 51,839
Ending Balance (in shares) at Dec. 31, 2017		82,964,000					692,000