Other Deductions, Net - Summary of Other Deductions, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Other Income and Expenses [Abstract]
Amortization of intangibles (excluding software)	$ 32.5	$ 31.4	$ 97.1	$ 96.7
Restructuring costs (see Note 4)	71.7	4.0	73.0	9.4
Foreign currency loss (gain), net	11.7	(4.8)	16.3	(6.6)
Asset impairment (see Note 5)	9.4	0.0	21.7	0.0
Other, net	0.9	1.0	1.9	(0.9)
Other deductions, net	$ 126.2	$ 31.6	$ 210.0	$ 98.6