Schedule II - Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at End of Year	$ 66,305	$ 49,522
Allowance For Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	4,138	7,117	8,726
Dispositions	(497)	(1,075)	(1,224)
Additions Charged to Income (Expense)	3,245	491	2,246
Write-offs/Reduction credited to Expenses	(884)	(2,051)	(2,775)
Translation and Other	450	(344)	144
Balance at End of Year	6,452	4,138	7,117
Inventory Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	38,284	35,259	37,516
Dispositions	(7,941)	(2,940)	(4,145)
Additions Charged to Income (Expense)	16,863	13,171	10,610
Write-offs/Reduction credited to Expenses	(15,496)	(8,970)	(10,103)
Translation and Other	1,209	1,764	1,381
Balance at End of Year	32,919	38,284	35,259
Deferred Tax Asset Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	49,522	49,243	57,881
Dispositions			(5,422)
Additions Charged to Income (Expense)	26,743	4,670	10,771
Write-offs/Reduction credited to Expenses	(2,206)	(3,408)	(5,212)
Translation and Other	(7,754)	(983)	(8,775)
Balance at End of Year	66,305	49,522	49,243
Raw Material [Member] | Inventory Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	15,717	12,207	12,999
Dispositions	(5,064)	(1,022)	(1,203)
Additions Charged to Income (Expense)	877	5,502	3,457
Write-offs/Reduction credited to Expenses	(715)	(1,445)	(3,923)
Translation and Other	(1,720)	475	877
Balance at End of Year	9,095	15,717	12,207
Work-In-Process [Member] | Inventory Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	5,908	3,528	2,698
Dispositions	(478)	0	(64)
Additions Charged to Income (Expense)	382	4,229	1,150
Write-offs/Reduction credited to Expenses	(355)	(1,831)	(460)
Translation and Other	(2,715)	(18)	204
Balance at End of Year	2,742	5,908	3,528
Finished Goods [Member] | Inventory Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	16,659	19,524	21,819
Dispositions	(2,399)	(1,918)	(2,878)
Additions Charged to Income (Expense)	15,604	3,440	6,003
Write-offs/Reduction credited to Expenses	(14,426)	(5,694)	(5,720)
Translation and Other	5,644	1,307	300
Balance at End of Year	$ 21,082	$ 16,659	$ 19,524