Accumulated Other Comprehensive Income (Loss) AOCI Reclassifications (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency forwards, Other income (expense), net	$ 6.0	$ (14.7)	$ (12.0)
Cost of Goods Sold	(5,885.7)	(6,378.2)	(6,584.8)
Prior service benefit (cost)	0.8	(2.0)
Net actuarial gain (loss) and settlement	7.2	3.7
Net Income (Loss)	(945.7)	246.2	1,134.6
Income tax benefit (expense)	(301.8)	(233.7)	(225.2)
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income (loss) reclassified, net of tax	5.6	(20.2)	(13.4)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net Income (Loss)	0.5	(0.6)	(3.4)
Income tax benefit (expense)	(0.1)	0.1	0.9
Net income (loss) reclassified, net of tax	0.4	(0.5)	(2.5)
Accumulated Defined Benefit Plans Adjustment | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior service benefit (cost)	0.4	(0.4)	(0.5)
Net actuarial gain (loss) and settlement	7.2	(26.1)	(6.0)
Net Income (Loss)	7.6	(26.5)	(6.5)
Income tax benefit (expense)	(2.4)	6.8	1.6
Net income (loss) reclassified, net of tax	5.2	(19.7)	(4.9)
Foreign Currency Translation Adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax benefit (expense)	0.0	0.0	0.0
Net income (loss) reclassified, net of tax	0.0	0.0	(6.0)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	0.0	0.0	(6.0)
Cost of goods sold | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Goods Sold	4.6	3.1	(0.2)
Other income (expense), net | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Foreign currency forwards, Other income (expense), net	(1.2)	(0.7)	(0.2)
Interest rate swaps | Interest expense, net | Cash Flow Hedges | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Forward starting interest rate swaps, Interest expense, net	$ (2.9)	$ (3.0)	$ (3.0)