Revenue - Revenues by Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues by Geographic Areas [Line Items]
Total revenues	$ 1,367.0	$ 1,309.3
United States
Revenues by Geographic Areas [Line Items]
Total revenues	1,166.7	1,124.8
Canada and Mexico
Revenues by Geographic Areas [Line Items]
Total revenues	158.4	145.9
North America
Revenues by Geographic Areas [Line Items]
Total revenues	1,325.1	1,270.7
All other foreign countries
Revenues by Geographic Areas [Line Items]
Total revenues	$ 41.9	$ 38.6