Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Net Sales	$ 234,960	$ 224,519	$ 425,992	$ 421,320
Cost of sales	194,837	179,813	356,005	340,437
Gross profit	40,123	44,706	69,987	80,883
Selling, general, and administrative expense	25,393	28,423	54,924	59,404
Income from operations	14,730	16,283	15,063	21,479
Interest expense	3,691	3,690	7,331	14,850
Other expense (income)	519	(9)	549	(75)
Income before taxes	10,520	12,602	7,183	6,704
Provision for income taxes	4,089	4,870	2,838	2,615
Income from continuing operations	6,431	7,732	4,345	4,089
Discontinued operations:
Loss before taxes	0	0	0	(7)
Benefit of income taxes	0	0	0	(3)
Loss from discontinued operations	0	0	0	(4)
Net income	$ 6,431	$ 7,732	$ 4,345	$ 4,085
Net earnings per share – Basic:
Income from continuing operations	$ 0.21	$ 0.25	$ 0.14	$ 0.13
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income	$ 0.21	$ 0.25	$ 0.14	$ 0.13
Weighted average shares outstanding – Basic	31,066	30,925	31,028	30,901
Net earnings per share – Diluted:
Income from continuing operations	$ 0.21	$ 0.25	$ 0.14	$ 0.13
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income	$ 0.21	$ 0.25	$ 0.14	$ 0.13
Weighted average shares outstanding – Diluted	31,271	31,099	31,235	31,079