Comprehensive Income (Reclassification out of AOCL) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general and administrative expenses	$ (813.8)	$ (761.3)	$ (1,425.5)	$ (1,343.8)
Income tax expense	(45.3)	(50.9)	(51.4)	(60.7)
Foreign currency adjustments upon sale of business or transfer to assets held for sale			(20.8)
Income tax benefit	0.0	0.0	0.0	0.0
Net of tax	(22.9)	0.0	(22.9)	0.0
(Losses)/Gains on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency adjustments upon sale of business or transfer to assets held for sale			5.6
Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency adjustments upon sale of business or transfer to assets held for sale			(3.5)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency adjustments upon sale of business or transfer to assets held for sale	22.9	0.0	(22.9)	0.0
Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	(22.7)	0.5	(20.8)	1.3
Reclassification out of Accumulated Other Comprehensive Loss [Member] | (Losses)/Gains on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	(0.6)	(1.0)	(1.6)	(2.1)
Net of tax	2.0	1.8	5.6	3.8
Reclassification out of Accumulated Other Comprehensive Loss [Member] | (Losses)/Gains on Cash Flow Hedges [Member] | Commodity Futures Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general and administrative expenses	2.6	2.8	7.2	5.9
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general and administrative expenses	(2.4)	(1.9)	(4.7)	(3.6)
Income tax expense	0.6	0.6	1.2	1.1
Net of tax	$ (1.8)	$ (1.3)	$ (3.5)	$ (2.5)