Guarantor Finanical Information Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash and cash equivalents	$ 21,607	$ 30,524	$ 36,716	$ 28,311
Accounts Receivable, Net, Current	138,311	181,036
Receivables from affiliates	0	0
Inventory, Net	303,772	272,039
Prepaid expenses and other current assets	22,688	18,669
Total current assets	486,378	502,268
Investment in joint venture	38,854	36,460	27,879
Goodwill	70,300	69,901	50,110
Intangible assets	82,477	93,813
Prepaid Expense and Other Assets, Noncurrent	31,157	37,740
Investment in subsidiaries	0	0
Receivables from affiliates	0	0
Long-lived assets	79,640	82,141
Total assets	788,806	822,323	529,352
Accounts payable	67,990	116,874
Payables due to affiliates	0
Other current liabilities	38,127	35,712
Current portion of long-term debt and short-term debt	915	692
Total current liabilities	107,032	153,278
Long-term debt, less current portion	296,154	314,240
Payables due to affiliates	0
Deferred income taxes	32,350	25,650
Other non-current liabilities	15,930	16,876
Total stockholders’ equity	337,340	312,279	313,459	318,208
Total liabilities and stockholders’ equity	788,806	822,323
Parent
Cash and cash equivalents	3,332	11,534	7,629	9,159
Accounts Receivable, Net, Current	60,293	88,434
Receivables from affiliates	95	273
Inventory, Net	183,189	163,776
Prepaid expenses and other current assets	16,141	18,517
Total current assets	263,050	282,534
Investment in joint venture	38,854	36,460
Goodwill	12,921	12,921
Intangible assets	34,343	38,238
Prepaid Expense and Other Assets, Noncurrent	28,142	34,691
Investment in subsidiaries	245,798	243,823
Receivables from affiliates	62,696	66,878
Long-lived assets	52,424	56,266
Total assets	738,228	771,811
Accounts payable	40,510	84,437
Payables due to affiliates	742	1,387
Other current liabilities	26,566	25,895
Current portion of long-term debt and short-term debt	386	82
Total current liabilities	68,204	111,801
Long-term debt, less current portion	292,086	303,739
Payables due to affiliates	12,114	23,727
Deferred income taxes	14,209	6,280
Other non-current liabilities	14,275	13,985
Total stockholders’ equity	337,340	312,279
Total liabilities and stockholders’ equity	738,228	771,811
Guarantors
Cash and cash equivalents	1,677	582	1,068	783
Accounts Receivable, Net, Current	34,037	37,487
Receivables from affiliates	1,118	3,495
Inventory, Net	44,874	48,980
Prepaid expenses and other current assets	(1,490)	(3,331)
Total current assets	80,216	87,213
Investment in joint venture	0	0
Goodwill	41,556	41,556
Intangible assets	28,325	34,395
Prepaid Expense and Other Assets, Noncurrent	(98)	237
Investment in subsidiaries	11,526	12,151
Receivables from affiliates	83,891	71,041
Long-lived assets	15,403	15,416
Total assets	260,819	262,009
Accounts payable	13,434	14,826
Payables due to affiliates	95	76
Other current liabilities	3,478	4,459
Current portion of long-term debt and short-term debt	1	50
Total current liabilities	17,008	19,411
Long-term debt, less current portion	0	1
Payables due to affiliates	11,994	8,572
Deferred income taxes	18,614	19,647
Other non-current liabilities	1,339	2,324
Total stockholders’ equity	211,864	212,054
Total liabilities and stockholders’ equity	260,819	262,009
Non-Guarantors
Cash and cash equivalents	16,598	18,408	28,019	18,369
Accounts Receivable, Net, Current	43,981	55,115
Receivables from affiliates	668	146
Inventory, Net	75,777	59,547
Prepaid expenses and other current assets	8,239	3,483
Total current assets	145,263	136,699
Investment in joint venture	0	0
Goodwill	15,823	15,424
Intangible assets	19,809	21,180
Prepaid Expense and Other Assets, Noncurrent	3,113	2,812
Investment in subsidiaries	0	0
Receivables from affiliates	3,280	7,292
Long-lived assets	11,813	10,459
Total assets	199,101	193,866
Accounts payable	14,046	17,611
Payables due to affiliates	1,044	2,451
Other current liabilities	8,083	5,358
Current portion of long-term debt and short-term debt	528	560
Total current liabilities	23,701	25,980
Long-term debt, less current portion	4,068	10,500
Payables due to affiliates	125,759	112,912
Deferred income taxes	(473)	(277)
Other non-current liabilities	316	567
Total stockholders’ equity	45,730	44,184
Total liabilities and stockholders’ equity	199,101	193,866
Eliminations
Cash and cash equivalents	0	0	0	0
Accounts Receivable, Net, Current	0	0
Receivables from affiliates	(1,881)	(3,914)
Inventory, Net	(68)	(264)
Prepaid expenses and other current assets	(202)	0
Total current assets	(2,151)	(4,178)
Investment in joint venture	0	0
Goodwill	0	0
Intangible assets	0	0
Prepaid Expense and Other Assets, Noncurrent	0	0
Investment in subsidiaries	(257,324)	(255,974)
Receivables from affiliates	(149,867)	(145,211)
Long-lived assets	0	0
Total assets	(409,342)	(405,363)
Accounts payable	0	0
Payables due to affiliates	(1,881)	(3,914)
Other current liabilities	0	0
Current portion of long-term debt and short-term debt	0	0
Total current liabilities	(1,881)	(3,914)
Long-term debt, less current portion	0	0
Payables due to affiliates	(149,867)	(145,211)
Deferred income taxes	0	0
Other non-current liabilities	0	0
Total stockholders’ equity	(257,594)	(256,238)
Total liabilities and stockholders’ equity	$ (409,342)	$ (405,363)