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Revenue from Contracts with Customers (Tables)
12 Months Ended
Sep. 30, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable
The table below represents the balances of our customer receivables and deferred revenue:
 September 30,
 20242023
 (in millions)
Billed receivables$212.7 $218.1 
Unbilled receivables4.5 6.3 
     Gross customer receivables217.2 224.4 
Allowance for credit losses(8.3)(7.3)
     Receivables, net$208.9 $217.1 
Deferred revenue
$12.8 $9.2