Quarterly Results of Operations (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 197,519	$ 188,029	$ 187,308	$ 184,935	$ 183,926	$ 177,184	$ 186,123	$ 187,590	$ 757,791	$ 734,823	$ 823,192
Operating income (loss)	8,742	13,850	3,050	8,898	8,603	8,493	13,987	1,243	34,540	32,326	22,378
Income (loss) from continuing operations									47,989	(53,629)	(19,522)
Income (loss) from discontinued operations, net of income tax expense (benefit) of $0, $0, and $1,976, respectively									0	0	5,379
Net income (loss)	$ 52,914	$ 12,278	$ (4,998)	$ (12,205)	$ (15,173)	$ (8,600)	$ 7,194	$ (37,050)	$ 47,989	$ (53,629)	$ (14,143)
Net income (loss) per basic share:
Loss from continuing operations (in dollars per share)									$ 1.03	$ (1.17)	$ (0.43)
Loss from discontinued operations (in dollars per share)									0.00	0.00	0.12
Net income (loss) (in dollars per share)	$ 1.13	$ 0.26	$ (0.11)	$ (0.26)	$ (0.33)	$ (0.19)	$ 0.16	$ (0.81)	1.03	(1.17)	(0.31)
Net income (loss) per diluted share:
Loss from continuing operations (in dollars per share)									0.87	(1.17)	(0.43)
Loss from discontinued operations (in dollars per share)									0.00	0.00	0.12
Net income (loss) (in dollars per share)	$ 0.93	$ 0.22	$ (0.11)	$ (0.26)	$ (0.32)	$ (0.19)	$ 0.14	$ (0.80)	$ 0.87	$ (1.17)	$ (0.31)