Retirement Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Employer contributions in current fiscal year	$ 0.4
United States
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0	0
Interest cost	0.8	0.7
Expected return on plan assets	(1.2)	(1.3)
Amortization of net actuarial loss	0.3	0.4
Net periodic pension (credit) cost	(0.1)	(0.2)
Curtailment gain	0	0
Total pension (credit) cost	(0.1)	(0.2)
International
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0.1	0.1
Interest cost	0.2	0
Expected return on plan assets	(0.2)	0
Amortization of net actuarial loss	0	0.1
Net periodic pension (credit) cost	0.1	0.2
Curtailment gain	(0.7)	0
Total pension (credit) cost	(0.6)	0.2
Minimum | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year	2.0
Maximum | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year	$ 4.0