Supplemental Guarantor Information Consolidating Condensed Balance Sheets (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current Assets
Cash and cash equivalents	$ 38,791,000	$ 34,924,000	$ 48,462,000	$ 37,501,000
Trade receivables, net	198,791,000	210,391,000
Installment receivables, net	2,188,000	6,671,000
Inventories, net	183,246,000	168,720,000
Deferred income taxes	0	1,620,000
Other current assets	41,776,000	38,831,000
Assets Held-for-sale, Current	103,157,000	67,613,000
Total Current Assets	567,949,000	528,770,000
Investment in subsidiaries	0	0
Intercompany advances, net	0	0
Other Assets	42,262,000	42,648,000
Other Intangibles	71,652,000	83,320,000
Property and Equipment, net	118,231,000	128,340,000
Goodwill	462,200,000	473,531,000	484,010,000
Assets Held-for-sale, Long Lived	0	24,445,000
Total Assets	1,262,294,000	1,281,054,000
Current Liabilities
Accounts payable	133,048,000	136,451,000
Accrued expenses	135,189,000	128,693,000
Accrued income taxes	2,713,000	815,000
Short-term debt and current maturities of long-term obligations	5,427,000	5,044,000
Liabilities of Assets Held-for-sale	23,358,000	16,936,000
Total Current Liabilities	299,735,000	287,939,000
Long-Term Debt	229,375,000	260,440,000
Other Long-Term Obligations	112,195,000	106,150,000
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent		0
Inercompany advances, net	0	0
Total Shareholders' Equity	620,989,000	626,525,000	652,411,000	701,237,000
Total Liabilities and Shareholders' Equity	1,262,294,000	1,281,054,000
The Company (Parent) [Member]
Current Assets
Cash and cash equivalents	5,774,000	3,642,000	4,036,000	6,569,000
Trade receivables, net	71,622,000	83,522,000
Installment receivables, net	0	0
Inventories, net	40,278,000	45,937,000
Deferred income taxes	0	422,000
Other current assets	12,727,000	10,171,000
Assets Held-for-sale, Current	0	0
Total Current Assets	130,401,000	143,694,000
Investment in subsidiaries	1,536,898,000	1,560,693,000
Intercompany advances, net	81,533,000	79,598,000
Other Assets	41,006,000	40,813,000
Other Intangibles	663,000	821,000
Property and Equipment, net	39,911,000	45,459,000
Goodwill	0	0
Assets Held-for-sale, Long Lived		0
Total Assets	1,830,412,000	1,871,078,000
Current Liabilities
Accounts payable	63,812,000	73,948,000
Accrued expenses	36,716,000	37,708,000
Accrued income taxes	1,545,000	508,000
Short-term debt and current maturities of long-term obligations	4,552,000	4,210,000
Liabilities of Assets Held-for-sale	0	0
Total Current Liabilities	106,625,000	116,374,000
Long-Term Debt	223,014,000	252,855,000
Other Long-Term Obligations	52,957,000	47,873,000
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent		0
Inercompany advances, net	826,827,000	827,451,000
Total Shareholders' Equity	620,989,000	626,525,000
Total Liabilities and Shareholders' Equity	1,830,412,000	1,871,078,000
Combined Guarantor Subsidiaries [Member]
Current Assets
Cash and cash equivalents	1,018,000	2,104,000	2,476,000	2,526,000
Trade receivables, net	37,223,000	36,578,000
Installment receivables, net	829,000	1,180,000
Inventories, net	31,455,000	25,295,000
Deferred income taxes	0	45,000
Other current assets	473,000	528,000
Assets Held-for-sale, Current	103,157,000	67,613,000
Total Current Assets	174,155,000	133,343,000
Investment in subsidiaries	523,176,000	524,800,000
Intercompany advances, net	874,567,000	846,829,000
Other Assets	314,000	699,000
Other Intangibles	22,211,000	26,838,000
Property and Equipment, net	19,957,000	16,398,000
Goodwill	32,937,000	31,820,000
Assets Held-for-sale, Long Lived		24,445,000
Total Assets	1,647,317,000	1,605,172,000
Current Liabilities
Accounts payable	9,465,000	5,724,000
Accrued expenses	18,155,000	17,136,000
Accrued income taxes	0	(680,000)
Short-term debt and current maturities of long-term obligations	7,000	4,000
Liabilities of Assets Held-for-sale	23,358,000	16,936,000
Total Current Liabilities	50,985,000	39,120,000
Long-Term Debt	143,000	227,000
Other Long-Term Obligations	0	7,312,000
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent		0
Inercompany advances, net	271,353,000	210,005,000
Total Shareholders' Equity	1,324,836,000	1,348,508,000
Total Liabilities and Shareholders' Equity	1,647,317,000	1,605,172,000
Combined Non-Guarantor Subsidiaries [Member]
Current Assets
Cash and cash equivalents	31,999,000	29,178,000	41,950,000	28,406,000
Trade receivables, net	89,946,000	90,291,000
Installment receivables, net	1,359,000	5,491,000
Inventories, net	114,169,000	99,006,000
Deferred income taxes	0	1,153,000
Other current assets	34,606,000	33,812,000
Assets Held-for-sale, Current	0	0
Total Current Assets	272,079,000	258,931,000
Investment in subsidiaries	6,888,000	0
Intercompany advances, net	238,270,000	200,157,000
Other Assets	942,000	1,136,000
Other Intangibles	48,778,000	55,661,000
Property and Equipment, net	58,363,000	66,483,000
Goodwill	429,263,000	441,711,000
Assets Held-for-sale, Long Lived		0
Total Assets	1,054,583,000	1,024,079,000
Current Liabilities
Accounts payable	59,771,000	56,779,000
Accrued expenses	86,348,000	79,529,000
Accrued income taxes	1,168,000	987,000
Short-term debt and current maturities of long-term obligations	868,000	830,000
Liabilities of Assets Held-for-sale	0	0
Total Current Liabilities	148,155,000	138,125,000
Long-Term Debt	6,218,000	7,358,000
Other Long-Term Obligations	59,238,000	50,965,000
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent		0
Inercompany advances, net	96,190,000	89,128,000
Total Shareholders' Equity	744,782,000	738,503,000
Total Liabilities and Shareholders' Equity	1,054,583,000	1,024,079,000
Eliminations [Member]
Current Assets
Cash and cash equivalents	0	0	0	0
Trade receivables, net	0	0
Installment receivables, net	0	0
Inventories, net	(2,656,000)	(1,518,000)
Deferred income taxes	0	0
Other current assets	(6,030,000)	(5,680,000)
Assets Held-for-sale, Current	0	0
Total Current Assets	(8,686,000)	(7,198,000)
Investment in subsidiaries	(2,066,962,000)	(2,085,493,000)
Intercompany advances, net	(1,194,370,000)	(1,126,584,000)
Other Assets	0	0
Other Intangibles	0	0
Property and Equipment, net	0	0
Goodwill	0	0
Assets Held-for-sale, Long Lived		0
Total Assets	(3,270,018,000)	(3,219,275,000)
Current Liabilities
Accounts payable	0	0
Accrued expenses	(6,030,000)	(5,680,000)
Accrued income taxes	0	0
Short-term debt and current maturities of long-term obligations	0	0
Liabilities of Assets Held-for-sale	0	0
Total Current Liabilities	(6,030,000)	(5,680,000)
Long-Term Debt	0	0
Other Long-Term Obligations	0	0
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent		0
Inercompany advances, net	(1,194,370,000)	(1,126,584,000)
Total Shareholders' Equity	(2,069,618,000)	(2,087,011,000)
Total Liabilities and Shareholders' Equity	$ (3,270,018,000)	$ (3,219,275,000)