Allowance for Doubtful Accounts (Tables)

6 Months Ended

Mar. 31, 2022

Receivables [Abstract]

Financing Receivable, Allowance for Credit Loss

Activity in the allowance for doubtful accounts for the six months ended March 31, 2022 was as follows:

(in millions)
Balance as of September 30, 2021	$	39.8
Provision for bad debts	10.6
Allowance charge-offs	(0.4)
Other(1)	0.8
Balance as of March 31, 2022	$	50.8

(1) Allowance increase is related to a recoverable amount due from an affiliated party.