Retirement Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Pension settlement	$ 1.5	$ 1.0	$ 1.5	$ 1.0
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Pension settlement	1.5	1.0	1.5	1.0
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions in current fiscal year			2.8
United States
Defined Benefit Plan Disclosure [Line Items]
Pension settlement	1.5	1.0	1.5	1.0
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0	0	0	0
Interest cost	0.8	1.1	1.6	2.2
Expected return on plan assets	(1.4)	(1.6)	(2.9)	(3.1)
Amortization of net actuarial loss	0.3	0.3	0.6	0.4
Amortization of prior service (credit) cost	0	0	0	0
Net periodic pension cost (credit)	(0.3)	(0.2)	(0.7)	(0.5)
Pension settlement	1.5	1.0	1.5	1.0
Total pension cost (credit)	1.2	0.8	0.8	0.5
International
Defined Benefit Plan Disclosure [Line Items]
Pension settlement	0	0	0	0
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0.1	0.1	0.2	0.2
Interest cost	0	0.7	0	1.4
Expected return on plan assets	0	(0.9)	0	(1.7)
Amortization of net actuarial loss	0.1	0.1	0.2	0.2
Amortization of prior service (credit) cost	0	(0.1)	0	(0.2)
Net periodic pension cost (credit)	0.2	(0.1)	0.4	(0.1)
Pension settlement	0	0	0	0
Total pension cost (credit)	0.2	(0.1)	0.4	(0.1)
Minimum | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year	4		4
Maximum | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year	$ 7		$ 7