CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 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	5,460	$ 7	5,453
Issuance of common stock, net of tax impact of share-based compensation (in shares)		716,625
Share-based compensation expense	3,214		3,214
Repurchase of common stock	(25,000)	$ (17)	(24,983)
Repurchase of common stock (in shares)		(1,727,275)
Dividends	(19,654)		(19,654)
Net loss	(25,573)			(25,573)
Other comprehensive income (loss):
Change in fair value of derivative instruments, net of tax	(101)				(101)
Amounts reclassified to income statement related to de-designation of cash flow hedges, net of tax	(220)				(220)
Cumulative translation adjustment	291				291
Pension and other postretirement benefit liability adjustment, net of tax	2,467				2,467
Balance at Sep. 30, 2014	655,199	$ 938	755,306	(46,292)	(54,753)
Balance, Shares at Sep. 30, 2014		93,820,727.000
Balance at Dec. 31, 2014	$ 627,318	$ 941	752,375	(41,015)	(84,983)
Balance, Shares at Dec. 31, 2014	94,080,840	94,080,840
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of tax impact of share-based compensation	$ (959)	$ 4	(963)
Issuance of common stock, net of tax impact of share-based compensation (in shares)		378,878
Share-based compensation expense	6,548		6,548
Repurchase of common stock	(53,010)	$ (32)	(52,978)
Repurchase of common stock (in shares)		(3,165,582)
Dividends	(20,009)		(20,009)
Net loss	(26,988)			(26,988)
Other comprehensive income (loss):
Change in fair value of derivative instruments, net of tax	(87)				(87)
Cumulative translation adjustment	(1,169)				(1,169)
Pension and other postretirement benefit liability adjustment, net of tax	4,409				4,409
Balance at Sep. 30, 2015	$ 536,053	$ 913	$ 684,973	$ (68,003)	$ (81,830)
Balance, Shares at Sep. 30, 2015	91,294,136	91,294,136