CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Retained Earnings(Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2013		$ 714,315	$ 948	$ 791,276	$ (20,719)	$ (57,190)
Balance, Shares at Dec. 31, 2013			94,831,377
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of tax impact of share-based compensation (in shares)			976,738
Issuance of common stock, net of tax impact of share-based compensation		7,768	$ 10	7,758
Share-based compensation expense		4,556		4,556
Share repurchases (shares)			(1,727,275)
Share repurchases		(25,000)	$ (17)	(24,983)
Dividends	[1]	(26,232)		(26,232)
Net income (loss)		(20,296)			(20,296)
Other comprehensive income (loss) (Note 12):
Change in fair value of derivative instruments, net of tax benefit		(116)				(116)
Amounts reclassified to statement of operations related to hedging activities, net of tax benefit of $139		(220)				(220)
Cumulative translation adjustment		(802)				(802)
Pension liability adjustment, net of tax benefit		(26,655)				(26,655)
Balance at Dec. 31, 2014		627,318	$ 941	752,375	(41,015)	(84,983)
Balance, Shares at Dec. 31, 2014			94,080,840.00
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of tax impact of share-based compensation (in shares)			513,016
Issuance of common stock, net of tax impact of share-based compensation		(1,668)	$ 5	(1,673)
Share-based compensation expense		$ 8,488		8,488
Share repurchases (shares)		(3,166,000)	(3,165,582)
Share repurchases		$ (53,010)	$ (32)	(52,978)
Dividends	[1]	(26,296)		(26,296)
Net income (loss)		(8,508)			(8,508)
Other comprehensive income (loss) (Note 12):
Change in fair value of derivative instruments, net of tax benefit		(87)				(87)
Amounts reclassified to statement of operations related to hedging activities, net of tax benefit of $139		0
Cumulative translation adjustment		(1,333)				(1,333)
Pension liability adjustment, net of tax benefit		600				600
Balance at Dec. 31, 2015		$ 545,504	$ 914	679,916	(49,523)	(85,803)
Balance, Shares at Dec. 31, 2015		91,428,274	91,428,274
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of tax impact of share-based compensation (in shares)			529,652
Issuance of common stock, net of tax impact of share-based compensation		$ (1,748)	$ 6	(1,754)
Share-based compensation expense		$ 8,843		8,843
Share repurchases (shares)		(1,371,000)	(1,371,185)
Share repurchases		$ (25,000)	$ (14)	(24,986)
Dividends	[1]	(33,142)		(8,390)	(24,752)
Net income (loss)		119,929			119,929
Other comprehensive income (loss) (Note 12):
Change in fair value of derivative instruments, net of tax benefit		0
Amounts reclassified to statement of operations related to hedging activities, net of tax benefit of $139		0
Cumulative translation adjustment		(2,257)				(2,257)
Pension liability adjustment, net of tax benefit		(1,573)				(1,573)
Balance at Dec. 31, 2016		$ 610,556	$ 906	$ 653,629	$ 45,654	$ (89,633)
Balance, Shares at Dec. 31, 2016		90,586,741	90,586,741

[1] Cash dividends declared per common share were $0.36, $0.28 and $0.28 in the years ended December 31, 2016, 2015 and 2014, respectively.