Lease Accounting - Schedule of Leases Reflected on Balance Sheet (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Assets | ||
| Operating (Right-of-use) | $ 539.1 | $ 526.3 |
| Finance | 93.2 | 100.2 |
| Total leased assets | 632.3 | 626.5 |
| Accumulated depreciation | 75.8 | 69.0 |
| Current | ||
| Operating | 26.9 | 25.8 |
| Finance | 13.1 | 13.0 |
| Noncurrent | ||
| Operating | 549.4 | 534.6 |
| Finance | 99.1 | 105.5 |
| Total lease liabilities | $ 688.5 | $ 678.9 |
| Finance lease, right-of-use asset, statement of financial position [extensible list] | Property, plant and equipment, at cost less accumulated depreciation and amortization of $2,313.4 and $2,173.5 at 2026 and 2025, respectively | Property, plant and equipment, at cost less accumulated depreciation and amortization of $2,313.4 and $2,173.5 at 2026 and 2025, respectively |
| Operating lease, liability, current, statement of financial position [extensible List] | Trade accounts payable and accrued liabilities | Trade accounts payable and accrued liabilities |
| Finance lease, liability, current, statement of financial position [extensible List] | Current maturities of long-term debt | Current maturities of long-term debt |
| Finance lease, liability, noncurrent, statement of financial position [extensible List] | Long-term debt, including capitalized lease obligations | Long-term debt, including capitalized lease obligations |