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Inventories
3 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
March 31,
2024
December 31,
2023
Retail automotive dealership new vehicles$2,001.4 $1,951.3 
Retail automotive dealership used vehicles1,161.1 1,186.3 
Retail automotive parts, accessories, and other162.7 156.2 
Retail commercial truck dealership vehicles and parts645.1 543.7 
Commercial vehicle distribution vehicles, parts, and engines453.8 455.6 
Total inventories$4,424.1 $4,293.1 
We receive credits from certain vehicle manufacturers that reduce the cost of sales when the vehicles are sold. Such credits amounted to $14.4 million and $13.3 million during the three months ended March 31, 2024 and 2023, respectively.