Retirement Plans - Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Amounts arising during the period: | |||
| Pension plan settlement charge | $ 82.8 | $ 0.0 | $ 0.0 |
| Pension Plan | |||
| Amounts arising during the period: | |||
| Pension plan settlement charge | 82.8 | 0.0 | 0.0 |
| Net actuarial (loss) gain | 0.0 | (4.9) | 5.1 |
| Amortization of net actuarial loss | 1.2 | 1.2 | 1.0 |
| Total recognized in other comprehensive income (loss) | $ 84.0 | $ (3.7) | $ 6.1 |
| X | ||||||||||
- Definition Amortization of net actuarial loss under reclassification from accumulated other comprehensive income, current period, net of tax. No definition available.
|
| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|