Revenues - Retail Commercial Truck Dealership (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Revenues
Total revenues	$ 7,339.0	$ 6,975.4
Retail commercial truck dealership
Revenues
Total revenues	895.6	792.3
New truck \| Retail commercial truck dealership
Revenues
Total revenues	600.2	471.7
Used truck \| Retail commercial truck dealership
Revenues
Total revenues	49.5	100.3
Finance and insurance, net \| Retail commercial truck dealership
Revenues
Total revenues	5.0	6.4
Service and parts \| Retail commercial truck dealership
Revenues
Total revenues	228.0	197.0
Other \| Retail commercial truck dealership
Revenues
Total revenues	$ 12.9	$ 16.9

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details