Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net Sales	$ 233,677	$ 200,615
Cost of sales	183,521	170,700
Gross profit	50,156	29,915
Selling, general, and administrative expense	36,549	20,945
Income from operations	13,607	8,970
Interest expense	3,691	3,700
Other income	(195)	(3,559)
Income before taxes	10,111	8,829
Provision for income taxes	3,618	3,292
Income from continuing operations	6,493	5,537
Discontinued operations:
Loss before taxes	0	(44)
Benefit of income taxes	0	(16)
Loss from discontinued operations	0	(28)
Net income	$ 6,493	$ 5,509
Net earnings per share – Basic:
Income from continuing operations	$ 0.21	$ 0.18
Loss from discontinued operations	0.00	0.00
Net income	$ 0.21	$ 0.18
Weighted average shares outstanding – Basic	31,423	31,191
Net earnings per share – Diluted:
Income from continuing operations	$ 0.20	$ 0.18
Loss from discontinued operations	0.00	0.00
Net income	$ 0.20	$ 0.18
Weighted average shares outstanding – Diluted	31,790	31,386