Cash Flow Information (Details) - USD ($) $ in Millions |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Supplemental Cash Flow Information [Abstract] | ||||
| Cash and cash equivalents | $ 53.3 | $ 58.6 | ||
| Restricted cash included in Other Current Assets | 70.6 | 25.3 | ||
| Restricted cash included in Other Assets | 8.5 | 1.9 | ||
| Total cash, cash equivalents, and restricted cash | 132.4 | $ 97.4 | $ 85.8 | $ 103.4 |
| Accrued purchases of property and equipment | 24.3 | 21.5 | ||
| Adjustments to right-of-use assets including right-of-use assets obtained in exchange for new operating lease liabilities | 18.3 | 85.2 | ||
| Adjustments to right-of-use assets including right-of-use assets obtained in exchange for new finance lease liabilities | 57.1 | 33.6 | ||
| Interest payments, net of amounts capitalized and including interest on vehicle inventory financing | 167.2 | 167.3 | ||
| Income tax payments, net of income tax refunds | $ 97.4 | $ 190.9 | ||
| X | ||||||||||
- Definition Noncash adjustments to right-of-use assets, including right-of-use assets obtained in exchange for new operating lease liabilities. No definition available.
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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