Basis of Presentation and Accounting Policies - Narrative (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Sep. 30, 2024 |
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| Accounting Policies [Abstract] | |||||
| Allowance for doubtful accounts | $ 25.0 | $ 25.0 | $ 22.0 | ||
| Antidilutive share-based compensation awards (in shares) | 0.4 | 0.5 | 1.7 | 0.5 | |
| Capital expenditures in accounts payable or other current liabilities at period end | $ 20.0 | $ 30.0 | |||
| Outstanding purchase of common stock recorded in accounts payable | $ 1.0 | $ 1.0 | 1.0 | $ 1.0 | |
| Supplier finance program, obligation | $ 67.0 | $ 67.0 | $ 77.0 | ||
| X | ||||||||||
- Definition This element represents the value of stock that has been repurchased during the period but did not settle until after the period end. No definition available.
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- References No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of obligation for supplier finance program. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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