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RECEIVABLES (Tables)
12 Months Ended
Sep. 30, 2021
Receivables [Abstract]  
Schedule of Allowance for Doubtful Accounts The following is a rollforward of the allowance for doubtful accounts for the years ended 2021, 2020 and 2019:
(in millions)
Beginning
Balance
Charged to
Profit & Loss
Deductions
Other
Adjustments
Ending
Balance
September 30, 2021$5.3 $1.9 $(0.4)$(0.1)$6.7 
September 30, 20203.5 2.3 (0.5)— 5.3 
September 30, 20193.0 1.3 (1.6)0.8 3.5