Income Taxes (Details 2) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	$ 79,408,000	$ 79,408,000	$ 79,408,000	$ 57,318,000
Non-cash tax expense	36.8		37,300,000
Increase to the valuation allowance recorded through Accumulated other comprehensive loss		22,900,000
Undistributed earnings indefinitely reinvested outside United States			834,000,000	857,000,000
One-time cost associated with repatriation of undistributed earnings indefinitely reinvested outside United States	154,000,000	154,000,000	154,000,000
Reduction in income tax expense resulting from tax holiday			100,000
Unrecognized income tax benefits
Interest and penalties recognized			(1,000,000)	(300,000)	3,300,000
Interest and penalties accrued	9,700,000	9,700,000	9,700,000	10,700,000
Reconciliation of Unrecognized Income Tax Benefits
Balance at the beginning of the period			35,889,000	36,791,000	24,299,000
Additions for tax positions related to the current year			2,534,000	1,846,000	7,868,000
Additions for tax positions related to prior years			4,014,000	313,000	10,625,000
Other reductions for tax positions related to prior years			(147,000)	(429,000)	(4,007,000)
Statues of limitation expirations			(8,521,000)	(2,348,000)	(1,934,000)
Settlements			(361,000)	(284,000)	(60,000)
Balance at the end of the period	33,408,000	33,408,000	33,408,000	35,889,000	36,791,000
Reconciliation of Deferred Income Tax Benefits
Balance at the beginning of the period			(738,000)	(949,000)	(1,179,000)
Additions for tax positions related to the current year			(10,000)		(11,000)
Additions for tax positions related to prior years			(11,000)	(44,000)	(49,000)
Other reductions for tax positions related to prior years					117,000
Statutes of limitation expirations			224,000	156,000	152,000
Settlements			18,000	99,000	21,000
Balance at the end of the period	(517,000)	(517,000)	(517,000)	(738,000)	(949,000)
Reconciliation of Unrecognized Income Tax Benefits, Net of Deferred Income Tax Benefits
Balance at the beginning of the period			35,151,000	35,842,000	23,120,000
Additions for tax positions related to the current year			2,524,000	1,846,000	7,857,000
Additions for tax positions related to prior years			4,003,000	269,000	10,576,000
Other reductions for tax positions related to prior years			(147,000)	(429,000)	(3,890,000)
Statutes of limitation expirations			(8,297,000)	(2,192,000)	(1,782,000)
Settlements			(343,000)	(185,000)	(39,000)
Balance at the end of the period	32,891,000	32,891,000	32,891,000	35,151,000	35,842,000
Unrecognized tax benefits related to current and prior years that created additional operating losses in a foreign jurisdiction			200,000
Portion of UTB, expected to be recognized upon settlement of tax examinations and the expiration of various statutes of limitations within next twelve months	5,200,000	5,200,000	5,200,000
International operations
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	70,100,000	70,100,000	70,100,000
Tax-effect amount of net operating loss carryforwards that can be carried forward indefinitely	56,800,000	56,800,000	56,800,000
International operations | Expiring between 2012 and 2030
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	13,300,000	13,300,000	13,300,000
U.S. federal | Expiring in 2022
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	100,000	100,000	100,000
U.S. state
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	9,200,000	9,200,000	9,200,000
U.S. state | Expiring between 2012 and 2016
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	200,000	200,000	200,000
U.S. state | Expiring between 2017 and 2021
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	2,400,000	2,400,000	2,400,000
U.S. state | Expiring between 2022 and 2026
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	3,500,000	3,500,000	3,500,000
U.S. state | Expiring between 2027 and 2031
Net operating loss carryforwards
Tax-effected amount of net operating loss carryforwards	$ 3,100,000	$ 3,100,000	$ 3,100,000