Retirement Plans - Amount Recognized on Consolidated and Combined Balance Sheets (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Defined Benefit Plan Disclosure [Line Items] | ||
| Accrued liabilities | $ (2.1) | $ (14.0) |
| Pension and other postretirement benefits plan liabilities | (23.8) | (23.3) |
| Pension Plan | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Accrued liabilities | (2.0) | (13.9) |
| Pension and other postretirement benefits plan liabilities | (22.7) | (22.2) |
| Net liabilities | $ (24.7) | $ (36.1) |
| X | ||||||||||
- Definition Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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