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Supplemental Financial Information - Summary of Accounts Receivable (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Sep. 30, 2025
--- | --- | ---
Current |  |
Trade | $ 89.2 | $ 82.0
Notes receivable from franchisees | 7.0 | 8.5
Other | 8.9 | 1.6
Receivables, gross | 105.1 | 92.1
Allowance for credit losses | (2.3) | (2.5)
Receivables, net | 102.8 | 89.6
Non-current |  |
Notes receivable | 0.0 | 2.7
Other | 4.6 | 4.4
Noncurrent notes receivable, gross | 4.6 | 7.1
Allowance for losses | (0.1) | (2.8)
Noncurrent notes receivable, net | $ 4.5 | $ 4.3

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