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Revenue from Contracts with Customers (Tables)
9 Months Ended
Jun. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Schedule of Accounts, Notes, Loans and Financing Receivable
The table below represents the balances of our customer receivables and deferred revenue:

June 30,September 30,
20242023
(in millions)
Billed receivables$216.4 $218.1 
Unbilled receivables4.7 6.3 
Gross customer receivables221.1 224.4 
Allowance for credit losses(7.9)(7.3)
Receivables, net$213.2 $217.1 
Deferred revenue$11.1 $9.2