Financing Arrangements (Tables)

6 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Schedule of Outstanding Debt Presented Net of Unamortized debt Issuance Costs and Other Financing Arrangements

The following table summarizes all outstanding debt (presented net of unamortized debt issuance costs) and other financing arrangements (in millions):

	March 31, 2021			September 30, 2020			March 31, 2020
Revolving Lines of Credit
2023 ABL:
U.S. Revolver1	$	—		$	251.1		$	1,001.6
Canada Revolver		—			—			—
Current portion		—			—			—
Borrowings under revolving lines of credit, net	$	—		$	251.1		$	1,001.6
Long-term Debt, net
Term Loan:
2025 Term Loan2	$	505.6		$	922.3		$	924.4
Current portion		(9.7	)		(9.7	)		(9.7	)
Long-term borrowings under term loan		495.9			912.6			914.7
Senior Notes:
2025 Senior Notes3		1,287.2			1,285.7			1,284.3
2026 Senior Notes4		296.2			295.9			295.8
Current portion		—			—			—
Long-term borrowings under senior notes		1,583.4			1,581.6			1,580.1
Long-term debt, net	$	2,079.3		$	2,494.2		$	2,494.8
Equipment Financing Facilities, net
Equipment financing facilities5	$	1.0		$	2.6		$	4.7
Current portion		(1.0	)		(2.6	)		(3.7	)
Long-term obligations under equipment financing, net	$	—		$	—		$	1.0

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^{1 Effective rate on borrowings of 1.89% and 2.33% as of September 30, 2020 and March 31, 2020, respectively.}

^{2 Interest rate of 2.36%, 2.41% and 3.85% as of March 31, 2021, September 30, 2020 and March 31, 2020, respectively.}

^{3 Interest rate of 4.88% for all periods presented.}

^{4 Interest rate of 4.50% for all periods presented.}

^{5 Fixed interest rates ranging from 2.33% to 2.89% for all periods presented.}