Revenues - Commercial Vehicle Distribution (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Total revenues	$ 7,468.5	$ 6,906.9	$ 14,807.5	$ 13,882.3
Commercial vehicle distribution and other
Revenues
Total revenues	143.3	140.9	286.9	294.8
Commercial vehicle distribution and other | Service and parts
Revenues
Total revenues	$ 68.0	$ 60.5	$ 129.3	$ 115.6