Receivables (Tables)

6 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Schedule of Receivables

Receivables consisted of the following (in millions):

	March 31, 2021			September 30, 2020
Trade receivables - U.S. government	$	115.1		$	105.8
Trade receivables - other		739.0			734.0
Finance receivables		8.6			18.8
Other receivables		28.9			17.1
		891.6			875.7
Less allowance for doubtful accounts		(5.7	)		(9.6	)
	$	885.9		$	866.1

Classification of Receivables in the Condensed Consolidated Balance Sheets

Classification of receivables in the Condensed Consolidated Balance Sheets consisted of the following (in millions):

	March 31, 2021		September 30, 2020
Current receivables	$	877.1	$	857.6
Long-term receivables		8.8		8.5
	$	885.9	$	866.1

Schedule of Allowance for Doubtful Accounts

Changes in the Company’s allowance for doubtful accounts by type of receivable were as follows (in millions):

	Three Months Ended March 31, 2021										Three Months Ended March 31, 2020
	Finance Receivables			Notes Receivable		Trade and Other Receivables		Total			Finance Receivables		Notes Receivable			Trade and Other Receivables			Total
Allowance at beginning of period	$	1.4		$	—	$	4.4	$	5.8		$	2.0	$	0.4		$	7.3		$	9.7
Provision for doubtful accounts, net of recoveries		(0.3	)		—		0.2		(0.1	)		1.1		—			2.8			3.9
Charge-off of accounts		—			—		—		—			—		(0.4	)		(0.2	)		(0.6	)
Allowance at end of period	$	1.1		$	—	$	4.6	$	5.7		$	3.1	$	—		$	9.9		$	13.0

	Six Months Ended March 31, 2021											Six Months Ended March 31, 2020
	Finance Receivables			Notes Receivable		Trade and Other Receivables			Total			Finance Receivables		Notes Receivable			Trade and Other Receivables			Total
Allowance at beginning of period	$	2.7		$	—	$	6.9		$	9.6		$	2.2	$	0.4		$	8.7		$	11.3
Provision for doubtful accounts, net of recoveries		(1.6	)		—		(2.3	)		(3.9	)		0.9		—			1.4			2.3
Charge-off of accounts		—			—		—			—			—		(0.4	)		(0.2	)		(0.6	)
Allowance at end of period	$	1.1		$	—	$	4.6		$	5.7		$	3.1	$	—		$	9.9		$	13.0