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Leases (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Assets and Liabilities, Lessee [Abstract] |  |  |
Operating Lease Assets |  | $ 392.1 | $ 323.5
Finance Lease Assets |  | 351.1 | 361.4
Total right-of-use Assets |  | 743.2 | 684.9
Current Operating Lease Liabilities |  | 41.2 | 39.5
Current Finance Lease Liabilities |  | 46.9 | 39.0
Noncurrent Operating Lease Liabilities |  | 363.2 | 296.9
Noncurrent Finance Lease Liabilities |  | 349.6 | 363.2
Total lease liabilities |  | $ 800.9 | $ 738.6
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] |  | OTHER ASSETS, PROPERTY AND EQUIPMENT, NET | OTHER ASSETS, PROPERTY AND EQUIPMENT, NET
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Other current liabilities | Other current liabilities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] |  | Current maturities of long-term debt, Vehicle floorplan payable | Current maturities of long-term debt, Vehicle floorplan payable
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Long-term debt, net of current maturities | Long-term debt, net of current maturities
Lease Cost [Abstract] |  |  |
Weighted average remaining lease term, Operating leases |  | 12 years | 11 years
Weighted average remaining lease term, Finance leases |  | 13 years | 14 years
Weighted average discount rate, Operating leases (percent) |  | 5.71% | 5.25%
Weighted average discount rate, finance leases (percent) |  | 4.43% | 4.47%
Operating lease cost |  | $ 62.3 | $ 56.0
Finance lease cost, Amortization of ROU assets |  | 24.6 | 20.9
Finance lease cost, Interest on lease liabilities |  | 17.8 | 13.3
Short-term lease cost | [1] | 11.3 | 10.6
Variable lease cost |  | 12.0 | 10.5
Sublease Income |  | (3.6) | (3.6)
Net lease cost |  | 124.4 | 107.7
Cash Flow Activities, Lessee [Abstract] |  |  |
Operating cash flows from operating leases |  | 61.4 | 56.8
Operating cash flows from finance leases | [2] | 63.7 | 36.2
Payment of other debt obligations |  | 12.3 | 11.3
Adjustments to right-of-use assets, including right-of-use assets obtained in exchange for new operating lease liabilities |  | 111.7 | 78.7
Adjustments to right-of-use assets, including right-of-use assets obtained in exchange for new finance lease liabilities |  | 54.7 | $ 90.8
Maturity of Lease Liabilities [Abstract] |  |  |
Maturity of Operating Lease Liabilities, Twelve months ended December 31, 2024 |  | 58.1 |
Maturity of Operating Lease Liabilities, Twelve months ended December 31, 2025 |  | 58.0 |
Maturity of Operating Lease Liabilities, Twelve months ended December 31, 2026 |  | 53.4 |
Maturity of Operating Lease Liabilities, Twelve months ended December 31, 2027 |  | 50.6 |
Maturity of Operating Lease Liabilities, Twelve months ended December 31, 2028 |  | 47.3 |
Maturity of Operating Lease Liabilities, Thereafter |  | 304.5 |
Total Operating Lease Payments |  | 571.9 |
Less: interest (Operating leases) |  | (167.5) |
Present Value of Operating lease liabilities |  | 404.4 |
Maturity of Finance Lease Liabilities, Twelve months ended December 31, 2024 |  | 59.8 |
Maturity of Finance Lease Liabilities, Twelve months ended December 31, 2025 |  | 83.0 |
Maturity of Finance Lease Liabilities, Twelve months ended December 31, 2026 |  | 24.1 |
Maturity of Finance Lease Liabilities, Twelve months ended December 31, 2027 |  | 25.3 |
Maturity of Finance Lease Liabilities, Twelve months ended December 31, 2028 |  | 25.0 |
Maturity of Finance Lease Liabilities, Thereafter |  | 284.1 |
Total Finance Lease Payments |  | 501.3 |
Less: interest (Finance leases) |  | (104.8) |
Present value of Finance lease liabilities |  | $ 396.5 |
Minimum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Lease Renewal Terms |  | 1 year |
Maximum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Lease Renewal Terms |  | 5 years |
Land and Building [Member] | Minimum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Lease Terms |  | 1 year |
Land and Building [Member] | Maximum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Lease Terms |  | 25 years |
Equipment [Member] | Minimum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Lease Terms |  | 1 year |
Equipment [Member] | Maximum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Lease Terms |  | 5 years |
Vehicles [Member] | Minimum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Service loaner vehicle leases, lease terms |  | 6 months |
Vehicles [Member] | Maximum [Member] |  |  |
Lessee, General Description [Abstract] |  |  |
Service loaner vehicle leases, lease terms |  | 18 months |
[1] | (1) Includes leases with a term of one month or less.
[2] | (1) Includes the interest component of payments made on finance leases as well as principal payments on vehicle floorplan payables with trade lenders for certain service loaner vehicle leases.

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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
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