Benefit Plans Textuals (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Contribution Cost	$ 15.7	$ 15.5	$ 10.5
Aggregate Projected Benefit Obligation	798.7
Aggregate Accumulated Benefit Obligation	772.9
Aggregate Fair Value of Plan Assets	731.0
Voluntary Benefit Payments for Defined Benedit Plans	1.0		5.0
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating the projected benefit obligation, Expected Long-term Return on Assets	7.75%	8.00%	8.00%
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	62.0	58.5
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	0.1
Defined Benefit Plan, Accumulated Benefit Obligation	156.8	146.5
Discount Rate	3.75%	4.25%	5.25%
Discount Rate	4.25%	5.25%	5.50%
Estimated Future Employer Contributions in Next Fiscal Year	3.1
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Assumptions Used Calculating the projected benefit obligation, Expected Long-term Return on Assets	4.89%	4.80%	4.94%
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	126.8	100.3
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	5.0	4.7
Defined Benefit Plan, Accumulated Benefit Obligation	772.9	698.0
Discount Rate	2.50%	3.10%	3.60%
Discount Rate	3.10%	3.60%	3.90%
Estimated Future Employer Contributions in Next Fiscal Year	22.5
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	10.3	12.1
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	1.0	1.2
Discount Rate	3.75%	4.25%	5.25%
Discount Rate	4.25%	5.25%	5.50%
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year	8.00%
Healthcare Cost Trend Rate Minimum		9.00%	7.50%
Healthcare Cost Trend Rate Maximum			9.00%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	5.00%
Estimated Future Employer Contributions in Next Fiscal Year	$ 1.0
Debt Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity Securities, Range Minimum	15.00%
Equity Securities, Range Maximum	35.00%
Debt Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity Securities, Range Minimum	35.00%
Equity Securities, Range Maximum	55.00%
Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity Securities, Range Minimum	30.00%
Equity Securities, Range Maximum	50.00%
Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity Securities, Range Minimum	25.00%
Equity Securities, Range Maximum	45.00%
Other [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity Securities, Range Minimum	25.00%
Equity Securities, Range Maximum	45.00%
Other [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity Securities, Range Minimum	15.00%
Equity Securities, Range Maximum	25.00%