XML 36 R25.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue from Contracts with Customers (Tables)
9 Months Ended
Jun. 30, 2021
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 revenues.
June 30,September 30,
20212020
(in millions)
Billed receivables$199.9 $180.3 
Unbilled receivables7.2 5.3 
Total customer receivables$207.1 $185.6 
Deferred revenues$7.4 $5.6