SUPPLEMENTAL GUARANTOR INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Supplemental Condensed Consolidated Balance Sheet Information
Cash and cash equivalents	$ 55,389	$ 88,575	$ 41,686	$ 122,758
Receivables, net	387,961	256,749
Inventories	284,324	287,554
Prepaid expenses and other	14,242	15,750
Deferred income taxes	17,939	14,989
Total current assets	759,855	663,617
Property, plant and equipment, net	634,053	640,900
Goodwill	214,156	213,608
Intangibles, net	45,029	46,715
Deferred income taxes	3,980	3,770
Other assets	66,435	75,601
Total assets	1,723,508	1,644,211
Accounts payable	209,233	168,187
Interest payable	20,839	20,931
Income taxes payable	1,877	1,202
Accrued compensation	19,777	19,743
Other accrued liabilities	59,471	68,825
Total current liabilities	311,197	278,888
Long-term debt	497,665	497,464
Lease financing obligation	109,287	109,899
Liability for unrecognized income tax benefits	19,615	23,711
Deferred income taxes	180,992	181,465
Other non-current liabilities	64,181	64,120
Total liabilities	1,182,937	1,155,547
Total stockholders' equity (deficit)	540,571	488,664
Total liabilities and stockholders' equity	1,723,508	1,644,211
Parent Company
Supplemental Condensed Consolidated Balance Sheet Information
Prepaid expenses and other	71	146
Total current assets	71	146
Property, plant and equipment, net	1,410	1,292
Long term receivables - affiliates	445,473	447,661
Other assets	14,228	15,646
Investment in subsidiaries	1,327,490	1,226,725
Total assets	1,788,672	1,691,470
Accounts payable	618,521	572,600
Interest payable	20,837	20,930
Income taxes payable	(1,329)	(1,213)
Other accrued liabilities	952	419
Total current liabilities	638,981	592,736
Long-term debt	497,665	497,464
Deferred income taxes	15,269	16,054
Other non-current liabilities	96,186	96,552
Total liabilities	1,248,101	1,202,806
Total stockholders' equity (deficit)	540,571	488,664
Total liabilities and stockholders' equity	1,788,672	1,691,470
Guarantor Subsidiaries
Supplemental Condensed Consolidated Balance Sheet Information
Cash and cash equivalents	40,863	43,374	32,779	93,681
Receivables, net	915,444	776,859
Inventories	179,445	207,854
Prepaid expenses and other	10,343	12,264
Deferred income taxes	17,720	14,769
Total current assets	1,163,815	1,055,120
Property, plant and equipment, net	422,319	422,302
Goodwill	105,043	103,959
Intangibles, net	42,610	44,284
Other assets	44,306	51,296
Total assets	1,778,093	1,676,961
Accounts payable	165,128	148,573
Income taxes payable	1,995	1,213
Accrued compensation	10,288	11,572
Other accrued liabilities	30,145	43,691
Total current liabilities	207,556	205,049
Liability for unrecognized income tax benefits	5,556	7,126
Deferred income taxes	165,723	165,411
Other non-current liabilities	62,914	63,734
Total liabilities	441,749	441,320
Total stockholders' equity (deficit)	1,336,344	1,235,641
Total liabilities and stockholders' equity	1,778,093	1,676,961
Non-Guarantor Subsidiaries
Supplemental Condensed Consolidated Balance Sheet Information
Cash and cash equivalents	14,526	45,201	8,907	29,077
Receivables, net	99,872	62,469
Inventories	104,879	79,700
Prepaid expenses and other	3,828	3,340
Deferred income taxes	219	220
Total current assets	223,324	190,930
Property, plant and equipment, net	210,324	217,306
Goodwill	109,113	109,649
Intangibles, net	2,419	2,431
Deferred income taxes	3,980	3,770
Other assets	7,901	8,659
Total assets	557,061	532,745
Accounts payable	43,539	20,193
Interest payable	2	1
Income taxes payable	1,211	1,202
Accrued compensation	9,489	8,171
Other accrued liabilities	28,374	24,715
Total current liabilities	82,615	54,282
Lease financing obligation	109,287	109,899
Long-term payables - affiliates	454,873	457,061
Liability for unrecognized income tax benefits	14,059	16,585
Other non-current liabilities	2,173	2,071
Total liabilities	663,007	639,898
Total stockholders' equity (deficit)	(105,946)	(107,153)
Total liabilities and stockholders' equity	557,061	532,745
Eliminations
Supplemental Condensed Consolidated Balance Sheet Information
Receivables, net	(627,355)	(582,579)
Total current assets	(627,355)	(582,579)
Long term receivables - affiliates	(445,473)	(447,661)
Investment in subsidiaries	(1,327,490)	(1,226,725)
Total assets	(2,400,318)	(2,256,965)
Accounts payable	(617,955)	(573,179)
Total current liabilities	(617,955)	(573,179)
Long-term payables - affiliates	(454,873)	(457,061)
Other non-current liabilities	(97,092)	(98,237)
Total liabilities	(1,169,920)	(1,128,477)
Total stockholders' equity (deficit)	(1,230,398)	(1,128,488)
Total liabilities and stockholders' equity	$ (2,400,318)	$ (2,256,965)
9.0 percent senior secured notes
Supplemental Condensed Consolidated Balance Sheet Information
Interest rate (as a percent)	9.00%