Employee Benefits (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Domestic Pension Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	1.7	1.8	3.4	3.6
Expected return on plan assets	(1.9)	(1.8)	(3.7)	(3.4)
Settlement losses	0	0	0	0
Amortization of:
Transition obligation	0	0	0	0
Prior service cost	0	0	0	0
Unrecognized actuarial losses	1.6	2.1	3.3	4.4
Net periodic cost	1.4	2.1	3.0	4.6
Defined Benefit Plan, Contributions by Employer			12.5
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	1.6		1.6
Foreign Pension Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Service cost	2.9	2.4	5.1	5.6
Interest cost	5.9	5.7	11.7	11.6
Expected return on plan assets	(4.8)	(4.1)	(9.5)	(8.5)
Settlement losses	0	0.6	0	1.0
Amortization of:
Transition obligation	0	0	0	0
Prior service cost	0.1	0	0.1	0.1
Unrecognized actuarial losses	0.1	0.4	0.3	0.9
Net periodic cost	4.2	5.0	7.7	10.7
Defined Benefit Plan, Contributions by Employer			12.1
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	11.8		11.8
Postretirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Service cost	0	0	0.1	0.1
Interest cost	0.6	0.6	1.3	1.4
Expected return on plan assets	0	0	0	0
Settlement losses	0	0	0	0
Amortization of:
Transition obligation	0.1	0.1	0.1	0.1
Prior service cost	0	0	0	0
Unrecognized actuarial losses	0	0	0	0
Net periodic cost	$ 0.7	$ 0.7	$ 1.5	$ 1.6