Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales	$ 478,871	$ 334,991	$ 774,830	$ 660,328
Cost of goods sold	416,905	287,015	673,759	563,647
Gross profit	61,966	47,976	101,071	96,681
Selling, general and administrative expenses	61,116	44,095	105,428	86,672
Operating profit (loss)	850	3,881	(4,357)	10,009
Interest expense, net	872	750	1,643	1,693
Income (loss) from continuing operations before income taxes	(22)	3,131	(6,000)	8,316
Income tax expense (benefit)	(197)	1,287	(2,651)	3,438
Income (loss) from continuing operations	175	1,844	(3,349)	4,878
Income (loss) from discontinued operations, net of taxes	74	(698)	43	(845)
Net income (loss)	$ 249	$ 1,146	$ (3,306)	$ 4,033
Basic EPS:
Income (loss) from continuing operations	$ 0.01	$ 0.15	$ (0.27)	$ 0.40
Income (loss) from discontinued operations, net of taxes	0.01	(0.06)	0.00	(0.07)
Net income (loss)	0.02	0.09	(0.27)	0.33
Diluted EPS:
Income (loss) from continuing operations	0.01	0.14	(0.27)	0.38
Income (loss) from discontinued operations, net of taxes	0.01	(0.05)	0.00	(0.07)
Net income (loss)	$ 0.02	$ 0.09	$ (0.27)	$ 0.31
Weighted average number of common shares outstanding:
Basic	12,106	12,343	12,156	12,137
Diluted	12,665	12,945	12,156	12,841