Leases (Lease Expense and Cash Outflows from Operating and Finance Leases) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Finance lease expense: | ||||
| Depreciation and amortization | $ 4.3 | $ 1.9 | $ 7.7 | $ 5.3 |
| Interest expense | 0.7 | 0.9 | 2.0 | 2.3 |
| Total finance lease expense | 5.0 | 2.8 | 9.7 | 7.6 |
| Operating lease expense | 48.0 | 32.1 | 110.5 | 88.4 |
| Short-term lease expense | 0.0 | 0.1 | 0.1 | 0.3 |
| Variable lease expense | 1.3 | 0.3 | 2.1 | 1.1 |
| Total lease expense | $ 54.3 | $ 35.3 | 122.4 | 97.4 |
| Cash paid for amounts included in the measurement of lease liabilities: | ||||
| Operating cash outflows from operating leases | 87.8 | 68.1 | ||
| Operating cash outflows from finance leases (interest component) | 2.0 | 2.3 | ||
| Financing cash outflows from finance leases (principal component) | 8.9 | 4.4 | ||
| Total cash outflows from operating and finance leases | $ 98.7 | $ 74.8 | ||
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- Definition Cash Flow, Lessee [Abstract] No definition available.
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- Definition Finance Lease, Cost No definition available.
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- Definition Finance Leases, Cost [Abstract] No definition available.
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- Definition Operating And Finance Lease, Payments No definition available.
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- Definition Amount of interest expense on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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