Supplemental Cash Flow Information - Schedule of Non Cash Investing and Financing Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for:
Interest	$ 31.0	$ 37.9
Income taxes	20.0	11.3
Non-cash investing/financing activities:
Property and equipment acquired through capital leases	2.2	1.8
Deferred and contingent acquisition payment obligations	32.3	8.6
(Decrease) increase in beneficial interest in a securitization	$ (7.9)	$ 7.5