Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 246,808	$ 198,303	$ 488,436	$ 390,004
Cost of products sold	201,628	165,005	401,321	327,368
Gross profit	45,180	33,298	87,115	62,636
Selling, general and administrative expenses	28,151	21,786	53,375	42,242
Operating income	17,029	11,512	33,740	20,394
Interest expense	14,231	6,187	20,113	11,642
Income before income taxes	2,798	5,325	13,627	8,752
Income taxes	3,212	1,379	4,890	2,247
Net income (loss)	$ (414)	$ 3,946	$ 8,737	$ 6,505

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