Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Net sales	$ 404,933	$ 336,801	$ 1,179,763	$ 997,129
Cost of goods sold	344,790	291,602	1,018,549	855,249
Gross profit	60,143	45,199	161,214	141,880
Selling, general and administrative expenses	59,187	44,050	164,615	130,722
Operating profit (loss)	956	1,149	(3,401)	11,158
Interest expense, net	1,018	688	2,661	2,381
Income (loss) from continuing operations before income taxes	(62)	461	(6,062)	8,777
Income tax expense (benefit)	421	345	(2,230)	3,783
Income (loss) from continuing operations	(483)	116	(3,832)	4,994
Loss from discontinued operations, net of taxes	(302)	(257)	(259)	(1,102)
Net income (loss)	$ (785)	$ (141)	$ (4,091)	$ 3,892
Basic EPS:
Income (loss) from continuing operations	$ (0.04)	$ 0.01	$ (0.32)	$ 0.41
Loss from discontinued operations, net of taxes	(0.03)	(0.02)	(0.02)	(0.09)
Net income (loss)	(0.07)	(0.01)	(0.34)	0.32
Diluted EPS:
Income (loss) from continuing operations	(0.04)	0.01	(0.32)	0.39
Loss from discontinued operations, net of taxes	(0.03)	(0.02)	(0.02)	(0.09)
Net income (loss)	$ (0.07)	$ (0.01)	$ (0.34)	$ 0.30
Weighted average number of common shares outstanding:
Basic	11,976	12,367	12,101	12,217
Diluted	11,976	12,954	12,101	12,871