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Supplemental Balance Sheet Information - Summary of Accounts Receivable (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Current
Trade	$ 82.0	$ 73.2
Other	1.6	9.1
Notes receivable from franchisees	8.5	5.4
Receivables, gross	92.1	87.7
Allowance for credit losses	(2.5)	(1.3)
Receivables, net	89.6	86.4
Non-current
Notes receivable	2.7	2.5
Other	4.4	4.4
Noncurrent notes receivable, gross	7.1	6.9
Allowance for losses	(2.8)	(2.6)
Noncurrent notes receivable, net	$ 4.3	$ 4.3

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Amount of allowance for credit loss of accounts and financing receivables. Includes, but is not limited to, notes and loan receivable.

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