Other Deductions, Net - Summary of Other Deductions, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Other Income and Expenses [Abstract]
Amortization of intangibles (excluding software)	$ 32.4	$ 32.8
Restructuring costs (see Note 4)	(1.1)	0.8
Foreign currency loss, net	1.8	3.5
Other, net	1.3	1.7
Total	$ 34.4	$ 38.8