Other Income (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Other Income and Expenses [Abstract] | ||||
| Interest income | $ 4.0 | $ 3.0 | $ 10.0 | $ 12.0 |
| Royalty income | 3.0 | 3.0 | 9.0 | 9.0 |
| Legacy product liability and environmental charges | (4.0) | (3.0) | (13.0) | (11.0) |
| Non-operating pension and postretirement benefit credit | 0.0 | 4.0 | 0.0 | 14.0 |
| Fair value adjustments for earnout payments (Note 5) | 0.0 | 0.0 | (5.0) | (7.0) |
| Other | 2.0 | 0.0 | 10.0 | 14.0 |
| Other income | $ 5.0 | $ 7.0 | $ 11.0 | $ 31.0 |
| X | ||||||||||
- Definition Legacy Product Liability and Environmental Charges No definition available.
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- Definition Non Operating Pension And Postretirement Benefit Credit (Cost) No definition available.
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- Definition Other Income (Expense), Other No definition available.
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- Definition Amount of increase (decrease) in value of liability in contingent consideration arrangement in business combination, including, but not limited to, difference arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue and income classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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