Accumulated Other Comprehensive Income (Loss) (Reclassification out of AOCI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) [Abstract]
Cost of products sold	$ (1,292.4)	$ (1,042.0)	$ (1,032.0)
Income tax (benefit) expense	(26.4)	(29.6)	(45.5)
Reclassification out of Accumulated Other Comprehensive Income
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) [Abstract]
Net of tax	(4.8)	(4.5)	5.2
Derivative Financial Instruments | Foreign exchange contracts | Reclassification out of Accumulated Other Comprehensive Income
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) [Abstract]
Cost of products sold	(1.6)	(2.4)	10.9
Income tax (benefit) expense	0.3	0.7	(3.2)
Net of tax	(1.3)	(1.7)	7.7
Unrecognized Pension and Other Post-retirement Benefit Costs | Reclassification out of Accumulated Other Comprehensive Income
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) [Abstract]
Amortization of actuarial loss included in net income	(4.6)	(3.1)	(3.6)	[1]
Amortization of prior service cost included in net income	(0.4)	(0.4)	(0.1)	[1]
Total before tax	(5.0)	(3.5)	(3.7)
Income tax (benefit) expense	1.5	0.7	1.2
Net of tax	$ (3.5)	$ (2.8)	$ (2.5)

[1] This accumulated other comprehensive income component is included in the computation of net periodic benefit cost (income) for pension and post-retirement plans (See "Note 5. Pension and Other Retiree Benefits" for additional details)