Comprehensive Income (Items Not Reclassified from AOCI to Net Income) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax			$ 0.0	$ (2.1)
Cost of goods sold; Selling, general, administrative expenses and Other (income) expense, net			(2,594.0)	(2,727.4)	$ (2,772.7)
non-cash pension settlement loss	$ 38.6	$ (60.6)	(0.6)	(99.2)	(0.4)
Provision for income taxes			(88.1)	(99.1)	$ (107.6)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			(7.7)	(86.1)
Losses on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			(2.8)	(5.3)
Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			(4.9)	(78.7)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			0.0	(2.1)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax			(7.7)	(86.1)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses on Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes			0.9	1.6
Net of tax			(2.8)	(5.3)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses on Cash Flow Hedges [Member] | Commodity Derivative Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general, administrative expenses and Other (income) expense, net			(3.7)	(6.9)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Defined Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold; Selling, general, administrative expenses and Other (income) expense, net			(5.9)	(5.7)
Provision for income taxes			1.6	26.2
Net of tax			$ (4.9)	$ (78.7)