Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net sales	$ 144,117	$ 164,335	$ 295,322	$ 320,683
Cost of sales	99,581	113,754	202,615	224,345
Gross profit	44,536	50,581	92,707	96,338
Selling, general and administrative expenses	32,041	30,839	70,538	69,880
Impairment charges	1,329	0	9,874	0
Operating income	11,166	19,742	12,295	26,458
Interest expense, net	2,053	2,467	4,072	5,169
Income from continuing operations before income taxes	9,113	17,275	8,223	21,289
Income tax expense	3,429	6,350	5,875	7,742
Income from continuing operations	5,684	10,925	2,348	13,547
Income (loss) from discontinued operations, net of income tax	(190)	494	(247)	3,111
Net income	$ 5,494	$ 11,419	$ 2,101	$ 16,658
Income per common share from continuing operations:
Basic	$ 0.19	$ 0.35	$ 0.08	$ 0.44
Diluted	0.19	0.35	0.08	0.43
Income (loss) per common share from discontinued operations:
Basic	(0.01)	0.02	(0.01)	0.10
Diluted	(0.01)	0.02	(0.01)	0.10
Net income per share:
Basic	0.18	0.37	0.07	0.54
Diluted	0.18	0.37	0.07	0.53
Dividends declared per share	$ 0.14	$ 0.14	$ 0.27	$ 0.27