Condensed Combined Statements of Operations and Comprehensive Operations (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 271,806	$ 199,825	$ 773,369	$ 557,079
Operating costs and expenses:
Cost of goods sold	255,281	187,209	729,750	526,234
Operating expenses	6,579	4,158	15,673	8,272
General and administrative expenses	1,614	1,273	6,367	3,960
Depreciation and amortization	2,255	1,431	6,649	3,300
Loss on sale of assets	5	0	5	0
Total operating costs and expenses	265,734	194,071	758,444	541,766
Operating income	6,072	5,754	14,925	15,313
Interest expense, net	667	480	1,777	1,468
Income before income tax expense	5,405	5,274	13,148	13,845
Income tax expense	2,437	1,874	5,183	4,687
Net income	2,968	3,400	7,965	9,158
Comprehensive Income	$ 2,968	$ 3,400	$ 7,965	$ 9,158