Retirement Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Pension settlement	$ 1.5	$ 1.5	$ 1.5	$ 1.5
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions in current fiscal year	0.3		0.7
United States
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0	0	0	0
Interest cost	0.8	0.8	1.5	1.6
Expected return on plan assets	(1.2)	(1.4)	(2.5)	(2.9)
Amortization of net actuarial loss	0.5	0.3	0.9	0.6
Defined Benefit Plan, Net Periodic Benefit Cost Before Settlements	0.1	(0.3)	(0.1)	(0.7)
Pension settlement	1.5	1.5	1.5	1.5
Total pension cost (credit)	1.6	1.2	1.4	0.8
International
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0.1	0.1	0.2	0.2
Interest cost	0	0	0	0
Expected return on plan assets	0	0	0	0
Amortization of net actuarial loss	0.1	0.1	0.2	0.2
Defined Benefit Plan, Net Periodic Benefit Cost Before Settlements	0.2	0.2	0.4	0.4
Pension settlement	0	0	0	0
Total pension cost (credit)	0.2	0.2	0.4	0.4
Minimum | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year			0.5
Maximum | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year			$ 2.0