Employee Benefit Plans - Schedule of Net Periodic Pension Benefit Cost and Net Periodic Post-employment Benefit Cost (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Pension Plan | ||||
| Components of net periodic benefit income | ||||
| Service cost | $ 1.2 | $ 1.3 | $ 3.5 | $ 3.8 |
| Interest cost | $ 4.4 | $ 4.5 | $ 13.3 | $ 13.4 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Expected return on plan assets | $ (5.6) | $ (5.4) | $ (16.8) | $ (16.2) |
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Amortization of prior service cost (credit) | $ 0.4 | $ 0.4 | $ 1.2 | $ 1.2 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Amortization of net actuarial (gain) loss | $ (1.4) | $ (1.5) | $ (4.3) | $ (4.3) |
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Expenses paid | $ 0.3 | $ 0.2 | $ 0.9 | $ 0.5 |
| Net periodic benefit cost (income) | (0.7) | (0.5) | (2.2) | (1.6) |
| Post-Employment Benefit | ||||
| Components of net periodic benefit income | ||||
| Service cost | 0.4 | 0.4 | 1.1 | 1.1 |
| Interest cost | $ 0.7 | $ 0.5 | $ 2.0 | $ 1.8 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Amortization of prior service cost (credit) | $ (0.4) | $ (0.4) | $ (1.1) | $ (1.1) |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Amortization of net actuarial (gain) loss | $ 0.0 | $ 0.0 | $ 0.1 | $ (0.1) |
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax |
| Net periodic benefit cost (income) | $ 0.7 | $ 0.5 | $ 2.1 | $ 1.7 |