Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net Sales	$ 234,101	$ 217,412	$ 660,093	$ 638,732
Cost of sales	192,523	175,650	548,528	516,087
Gross profit	41,578	41,762	111,565	122,645
Selling, general, and administrative expense	23,186	24,754	78,167	84,158
Intangible asset impairment	0	23,160	0	23,160
Income (loss) from operations	18,392	(6,152)	33,398	15,327
Interest expense	3,657	3,828	10,988	18,678
Other income	(664)	(66)	(172)	(141)
Income (loss) before taxes	15,399	(9,914)	22,582	(3,210)
Provision for income taxes	5,828	3,813	8,666	6,428
Income (loss) from continuing operations	9,571	(13,727)	13,916	(9,638)
Discontinued operations:
Loss before taxes	(51)	0	(51)	(7)
Benefit of income taxes	(20)	0	(20)	(3)
Loss from discontinued operations	(31)	0	(31)	(4)
Net income (loss)	$ 9,540	$ (13,727)	$ 13,885	$ (9,642)
Net earnings per share – Basic:
Income (loss) from continuing operations	$ 0.31	$ (0.44)	$ 0.45	$ (0.31)
Loss from discontinued operations	$ (0.01)	$ 0.00	$ (0.01)	$ 0.00
Net income (loss)	$ 0.30	$ (0.44)	$ 0.44	$ (0.31)
Weighted average shares outstanding – Basic	31,083	30,946	31,046	30,916
Net earnings per share – Diluted:
Income (loss) from continuing operations	$ 0.31	$ (0.44)	$ 0.45	$ (0.31)
Loss from discontinued operations	$ (0.01)	$ 0.00	$ (0.01)	$ 0.00
Net income (loss)	$ 0.30	$ (0.44)	$ 0.44	$ (0.31)
Weighted average shares outstanding – Diluted	31,298	30,946	31,256	30,916