Accumulated Other Comprehensive Income (Loss) ("AOCI") Table 2 (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Cost of Goods Sold	$ 1,714.0	$ 1,589.1	$ 4,988.8	$ 4,716.9
Net Income (loss)	345.6	293.1	1,058.9	843.1
Income tax benefit (expense)	(64.5)	(147.4)	(231.6)	(338.5)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Net income (loss) reclassified, net of tax	(1.3)	(5.5)	(6.1)	(8.8)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain/(loss) on cash flow hedges [Member]
Net Income (loss)	(0.3)	(1.4)	(2.7)	(0.7)
Income tax benefit (expense)	0.1	0.5	0.7	0.2
Net income (loss) reclassified, net of tax	(0.2)	(0.9)	(2.0)	(0.5)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain/(loss) on cash flow hedges [Member] | Other income (expense), net [Member]
Foreign currency forwards, other	0.1	0.1	0.1	(2.0)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain/(loss) on cash flow hedges [Member] | Cost of goods sold [Member]
Cost of Goods Sold	0.4	(0.5)	(0.5)	4.2
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gain/(loss) on cash flow hedges [Member] | Forward starting interest rate swaps [Member] | Interest expense, net [Member]
Forward starting interest rate swaps	(0.8)	(1.0)	(2.3)	(2.9)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of defined benefit pension and other postretirement benefit plan items [Member]
Prior service benefit (cost)	0.0	(0.2)	(0.3)	(0.5)
Curtailment and net actuarial gain (loss)	(1.4)	(3.9)	(4.7)	(5.7)
Net Income (loss)	(1.4)	(4.1)	(5.0)	(6.2)
Income tax benefit (expense)	0.3	(0.5)	0.9	(2.1)
Net income (loss) reclassified, net of tax	$ (1.1)	$ (4.6)	$ (4.1)	$ (8.3)