XML 118 R101.htm IDEA: XBRL DOCUMENT v3.21.2
Receivables - Schedule of Finance Receivable Aging and Accrual Status (Details) - Finance Receivable - USD ($)
$ in Millions
Sep. 30, 2021
Sep. 30, 2020
Accounts Notes And Loans Receivable [Line Items]    
Receivables on nonaccrual status $ 0.0 $ 0.2
Receivables past due 90 days or more and still accruing 0.0 0.0
Receivables subject to general reserves 5.9 16.3
Allowance for doubtful accounts (0.1) (0.4)
Receivables subject to specific reserves 0.5 2.5
Allowance for doubtful accounts $ (0.5) $ (2.3)