Retirement Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Settlement loss	$ 1.0	$ 0.2	$ 1.0	$ 0.1
Settlement of UK pension plan	0.0	0.5	0.0	0.5
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Employer contributions in current fiscal year	0.6		1.2
United States
Defined Benefit Plan Disclosure [Line Items]
Settlement loss	1.0	0.2	1.0	0.8
Curtailment gain	0.0	0.0	0.0	0.0
International
Defined Benefit Plan Disclosure [Line Items]
Settlement loss	0.0	0.0	0.0	0.0
Curtailment gain	$ 0.0	$ 0.0	0.0	0.7
Maximum | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in current fiscal year (up to)			$ 0.1
Restructuring and other | International
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain				$ 0.7