Income Taxes (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Tax Disclosure [Abstract]
Interest and penalties recognized	$ 1,800,000	$ 1,000,000	$ 300,000
Interest and penalties accrued	8,000,000	9,700,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at the beginning of the period	33,408,000	35,889,000	36,791,000
Additions for tax positions related to the current year (includes currency translation adjustment)	584,000	2,534,000	1,846,000
Additions for tax positions related to prior years (includes currency translation adjustment)	37,000	4,014,000	313,000
Other reductions for tax positions related to prior years	(3,987,000)	(147,000)	(429,000)
Statutes of limitations expirations	(5,124,000)	(8,521,000)	(2,348,000)
Settlements	0	(361,000)	(284,000)
Balance at the end of the period	24,918,000	33,408,000	35,889,000
Reconciliation of Deferred Income Tax Benefits [Roll Forward]
Balance at beginning of period	(517,000)	(738,000)	(949,000)
Additions for tax positions related to the current year (includes currency translation adjustment)	(8,000)	(10,000)	0
Additions for tax positions related to prior years (includes currency translation adjustment)	2,000	(11,000)	(44,000)
Other reductions for tax positions related to prior years	0	0	0
Statutes of limitation expirations	154,000	224,000	156,000
Settlements	0	18,000	99,000
Balance at the end of the period	(369,000)	(517,000)	(738,000)
Reconciliation of Net Unrecognized Tax Benefits [Roll Forward]
Balance at the beginning of the period	24,549,000	32,891,000	35,151,000	35,842,000
Additions for tax positions related to the current year (includes currency translation adjustment)	576,000	2,524,000	1,846,000
Additions for tax positions related to prior years (includes currency translation adjustment)	39,000	4,003,000	269,000
Other reductions for tax positions related to prior years	(3,987,000)	(147,000)	(429,000)
Statutes of limitation expirations	(4,970,000)	(8,297,000)	(2,192,000)
Settlements	0	(343,000)	(185,000)
Balance at the end of the period	24,549,000	32,891,000	35,151,000	35,842,000
Income Tax Contingency [Line Items]
Portion of UTB, expected to be recognized upon ssettlement of tax examinations and the expiration of various statutes of limitations within next twelve months	3,800,000
Foreign jurisdiction
Income Tax Contingency [Line Items]
Unrecognized tax benefits related to current and prior years that created additional operating losses in a foreign jurisdiction	200,000
Decrease related to previously unrecognized tax benefits that were recognized in 2012 due to change in enacted legislation	$ (4,000,000)