Segment Information - Total Assets, Equity Method Investments, and Capital Expenditures by Reportable Segment (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Segment Reporting | ||||
| Capital expenditures | $ 72.3 | $ 72.9 | $ 134.9 | $ 157.6 |
| Retail Automotive | ||||
| Segment Reporting | ||||
| Capital expenditures | 61.2 | 53.7 | 114.0 | 119.7 |
| Retail Commercial Truck | ||||
| Segment Reporting | ||||
| Capital expenditures | 10.2 | 17.5 | 18.4 | 35.3 |
| Other | ||||
| Segment Reporting | ||||
| Capital expenditures | 0.9 | 1.7 | 2.5 | 2.6 |
| Non-Automotive Investments | ||||
| Segment Reporting | ||||
| Capital expenditures | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |
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- Definition Amount of expenditure for addition to long-lived asset included in determination of segment asset by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Long-lived asset excludes financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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