Comprehensive Income (Reclassification out of AOCL) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general and administrative expenses	$ (665.6)	$ (767.0)	$ (1,223.7)	$ (1,355.8)
Income tax benefit	(27.4)	(28.8)	(41.4)	(42.4)
Foreign currency adjustments on sale of business			(7.5)
Net of tax	0.0	0.0	0.0	(2.1)
(Losses)/Gains on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency adjustments on sale of business			(5.2)
Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency adjustments on sale of business			(2.3)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency adjustments on sale of business	0.0	0.0	0.0	(2.1)
Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	(5.4)	(47.8)	(7.5)	(53.2)
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 benefit	1.5	0.5	1.8	1.0
Net of tax	(4.3)	(1.5)	(5.2)	(3.3)
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	(5.8)	(2.0)	(7.0)	(4.3)
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	(1.4)	(1.0)	(3.0)	(3.0)
Income tax benefit	0.3	15.3	0.7	15.8
Net of tax	$ (1.1)	$ (46.3)	$ (2.3)	$ (47.8)