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v3.25.4

Shareholders' Equity (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest expense |  | $ (33.0) | $ (39.8) | $ (35.3)
Tax impact |  | (91.6) | (82.2) | (74.5)
Amortization of net actuarial loss (gain) |  | 0.2 | (0.1) | $ (0.5)
Derivative Gain (Loss) [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total (income), net of tax | [1],[2] | (0.2) | (4.1) |
Pension And Postretirement Adjustments [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total (income), net of tax | [1] | 2.6 | (2.8) |
Reclassification From Accumulated Other Comprehensive Loss [Member] | Derivative Gain (Loss) [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Tax impact |  | 0.0 | 1.4 |
Total (income), net of tax |  | (0.2) | (4.1) |
Reclassification From Accumulated Other Comprehensive Loss [Member] | Derivative Gain (Loss) [Member] | Interest Rate Swap Contracts, Before Tax [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest expense |  | (0.2) | (5.5) |
Reclassification From Accumulated Other Comprehensive Loss [Member] | Prior Service Credit Amortization [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Amortization of net actuarial loss (gain) |  | (0.1) | (0.2) |
Reclassification From Accumulated Other Comprehensive Loss [Member] | Amortization of Net Actuarial Loss [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Amortization of net actuarial loss (gain) |  | 3.7 | (3.4) |
Reclassification From Accumulated Other Comprehensive Loss [Member] | Pension And Postretirement Adjustments [Member] |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Tax impact |  | (1.0) | 0.8 |
Total loss (income), before tax |  | 3.6 | (3.6) |
Total loss (income), net of tax |  | 2.6 | (2.8) |
Total reclassifications for the period |  | $ 2.4 | $ (6.9) |
[1] | Amounts are net of tax.
[2] | Amounts include our 50% share of AOCL components from our WAVE joint venture.

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