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Inventories | 9 Months Ended
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Sep. 30, 2025
Inventory Disclosure [Abstract] |
Inventories | Inventories Inventories consisted of the following:
| September 30, 2025 |  | December 31, 2024
Retail automotive dealership new vehicles | $ | 2,204.4 |  |  | $ | 2,345.7 |
Retail automotive dealership used vehicles | 1,238.5 |  |  | 1,119.2 |
Retail automotive parts, accessories, and other | 181.0 |  |  | 167.8 |
Retail commercial truck dealership vehicles and parts | 531.5 |  |  | 518.4 |
Commercial vehicle distribution vehicles, parts, and engines | 549.7 |  |  | 489.1 |
Total inventories | $ | 4,705.1 |  |  | $ | 4,640.2 |
We receive credits from certain vehicle manufacturers that reduce cost of sales when the vehicles are sold. Such credits amounted to $18.6 million and $18.3 million during the three months ended September 30, 2025 and 2024, respectively, and $52.5 million and $49.0 million during the nine months ended September 30, 2025 and 2024, respectively.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent + Details
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