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Supplemental Financial Information - Summary of Accounts Receivable (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Sep. 30, 2025
--- | --- | ---
Current |  |
Trade | $ 78.1 | $ 82.0
Notes receivable from franchisees | 8.7 | 8.5
Other | 9.2 | 1.6
Receivables, gross | 96.0 | 92.1
Allowance for credit losses | (3.4) | (2.5)
Receivables, net | 92.6 | 89.6
Non-current |  |
Notes receivable | 2.8 | 2.7
Other | 4.6 | 4.4
Noncurrent notes receivable, gross | 7.4 | 7.1
Allowance for losses | (2.9) | (2.8)
Noncurrent notes receivable, net | $ 4.5 | $ 4.3

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