Income Taxes (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2012 Affiliates	Dec. 31, 2011 Affiliates	Dec. 31, 2010 Affiliates
Income Taxes (Textual) [Abstract]
Income taxes paid		$ 121.0	$ 101.9
Net income tax refunds				16.0
Effective tax rate on the pretax income relative to U.S. federal statutory	35.00%
Affiliates in Asia		1	1	2
Income tax holiday termination date		expiration in 2018
Income tax reduced due tax holidays		1.0	1.0	1.1
Increase in earnings per diluted share due to saving from income tax		$ 0.01	$ 0.01	$ 0.01
Undistributed earnings of foreign subsidiaries that are outside of US		544.0	559.0
Valuation allowance against operating loss carryforwards		140.7
Valuation allowances against loss carryforwards		43.2
Total gross unrecognized tax benefits		112.6	87.2	77.8
Unrecognized tax benefits if recognized would impact effective tax rate		47.5	45.3
Minimum amount of estimated decrease in unrecognized tax positions		40.0
Maximum amount of estimated decrease in unrecognized tax positions		45.0
Accrued interest and penalties related to uncertain tax positions		11.3	9.0
Income tax examination year		2006
Domestic Country [Member]
Income Taxes (Textual) [Abstract]
Tax credit carryforwards		2.7
Income tax examination year		2006
Foreign Country [Member]
Income Taxes (Textual) [Abstract]
Operating Loss Carryforwards		137.4
Tax credit carryforwards		0.8
Income tax examination year		2002
State and Local [Member]
Income Taxes (Textual) [Abstract]
Operating Loss Carryforwards		1.3
Tax credit carryforwards		$ 2.9