Summary Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended										12 Months Ended
	Dec. 31, 2016		Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015		Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net sales	$ 185,530		$ 202,290	$ 203,320	$ 202,880	$ 192,760		$ 222,190	$ 224,900	$ 224,130	$ 794,020	$ 863,980	$ 887,300
Gross Profit	39,430		58,050	57,080	55,920	49,000		62,470	61,720	62,920	210,480	236,110	237,010
Income (Loss) from continuing operations						(60,800)	[1]	11,710	8,490	11,940	(39,800)	(28,660)	46,890
Income (loss) from discontinued operations, net of income taxes						0		0	(6,780)	2,040	0	(4,740)	22,390
Net income (loss)	$ (67,360)	[2]	$ 8,780	$ 10,480	$ 8,300	$ (60,800)		$ 11,710	$ 1,710	$ 13,980	$ (39,800)	$ (33,400)	$ 69,280
Basic earnings (loss) per share:
Continuing operations						$ (1.35)		$ 0.26	$ 0.19	$ 0.26	$ (0.88)	$ (0.64)	$ 1.03
Discontinued operations						0.00		0.00	(0.15)	0.05	0.00	(0.10)	0.50
Net income (loss) per share	$ (1.48)		$ 0.19	$ 0.23	$ 0.18	$ (1.35)		$ 0.26	$ 0.04	$ 0.31	$ (0.88)	$ (0.74)	$ 1.53
Weighted average shares—basic	45,484,485		45,435,936	45,429,851	45,278,990	45,188,303		45,157,412	45,150,827	44,997,961	45,407,316	45,123,626	44,881,925
Diluted earnings (loss) per share:
Continuing operations						$ (1.35)		$ 0.26	$ 0.19	$ 0.26	$ (0.88)	$ (0.64)	$ 1.02
Discontinued operations						0.00		0.00	(0.15)	0.05	0.00	(0.10)	0.49
Net income (loss) per share	$ (1.48)		$ 0.19	$ 0.23	$ 0.18	$ (1.35)		$ 0.26	$ 0.04	$ 0.31	$ (0.88)	$ (0.74)	$ 1.51
Weighted average shares—diluted	45,484,485		45,760,455	45,726,348	45,654,816	45,188,303		45,499,104	45,418,907	45,400,843	45,407,316	45,123,626	45,269,409
Impairment of goodwill and indefinite-lived intangible assets	$ 98,900					$ 75,700					$ 98,900	$ 75,680	$ 0

[1] Loss from continuing operations for the fourth quarter of 2015 includes pre-tax goodwill and indefinite-lived intangible asset impairment charges of $75.7 million. See Note 7, "Goodwill and Other Intangible Assets", for further details.

[2] Net loss for the fourth quarter of 2016 includes pre-tax goodwill and indefinite-lived intangible asset impairment charges of $98.9 million. See Note 7, "Goodwill and Other Intangible Assets", for further details.