Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Sep. 30, 2025 |
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| Debt Instrument [Line Items] | ||
| Financing costs, net | $ (4.3) | $ (5.3) |
| Total debt, net | 823.9 | 790.2 |
| Less: Current portion of long-term debt | 0.0 | 0.0 |
| Long-term debt, net | 823.9 | 790.2 |
| Series B Term Loan | ||
| Debt Instrument [Line Items] | ||
| Debt instruments net of original issue discount | 734.5 | 733.9 |
| Receivables Financing Agreement | ||
| Debt Instrument [Line Items] | ||
| Debt instruments net of original issue discount | $ 93.7 | $ 61.6 |
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- Definition Debt instrument carrying amount net of issue discount. No definition available.
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- 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, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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