Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net sales	$ 141,703	$ 151,205
Cost of sales	99,700	103,034
Gross profit	42,003	48,171
Selling, general and administrative expenses	34,645	38,497
Impairment charges	0	8,545
Operating income	7,358	1,129
Interest expense, net	1,975	2,019
Income (loss) from continuing operations before income taxes	5,383	(890)
Income tax expense	2,255	2,446
Income (loss) from continuing operations	3,128	(3,336)
Income (loss) from discontinued operations, net of income tax	(14)	(57)
Net income (loss)	$ 3,114	$ (3,393)
Income (loss) per common share from continuing operations:
Basic	$ 0.10	$ (0.11)
Diluted	0.10	(0.11)
Income (loss) per common share from discontinued operations:
Basic	0	0
Diluted	0	0
Net income (loss) per share:
Basic	0.10	(0.11)
Diluted	0.10	(0.11)
Dividends declared per share	$ 0.14	$ 0.14