Leases (Tables)

6 Months Ended

Mar. 31, 2021

Leases

Schedule of Operating Lease Portfolio

The following tables present our operating and finance leases, related lease expenses and other information (dollars in millions):

Operating Lease Portfolio

	March 31,		September 30,
	2021		2020
Right-of-use assets	$	83.1	$	87.2
Short-term lease liability		15.6		16.8
Long-term lease liability		77.0		80.6
Weighted average remaining lease term		7.2 years		7.6 years
Weighted average discount rate		3.0%		3.0%

Finance Lease Portfolio

	March 31,		September 30,
	2021		2020
Right-of-use assets	$	12.8	$	0.5
Short-term lease liability		2.9		0.2
Long-term lease liability		10.0		0.4
Weighted average remaining lease term		4.6 years		2.4 years
Weighted average discount rate		1.8%		1.7%

Schedule of operating Expense and Other Information

Lease Expense

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2021		2020		2021		2020
Lease Expense
Operating lease expense	$	4.9	$	4.8	$	9.8	$	9.4
Finance lease expense
Amortization of right-of-use asset		0.7		—		0.8		—
Interest on lease liabilities		0.1		—		0.1		—
Short-term lease expense		0.1		0.1		0.1		0.1
Variable lease expense		0.5		0.7		1.4		1.8
Total lease expense	$	6.3	$	5.6	$	12.2	$	11.3

Other Information

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2021		2020		2021		2020
Cash paid related to lease liabilities
Finance lease - cash paid for interest	$	—	$	—	$	—	$	—
Operating lease - cash paid for fixed payments		5.1		4.6		9.9		9.1
Finance lease - cash paid for finance lease liabilities		0.7		—		0.7		—
Right-of-use assets obtained in exchange for new finance lease liabilities		0.4		—		13.0		—
Right-of-use assets obtained in exchange for new operating lease liabilities		2.8		8.4		3.0		18.0

Schedule of Maturities of Operating Lease Liabilities

Our future lease commitments from our operating and finance leases on an undiscounted basis, reconciled to the lease liability at March 31, 2021 were as follows (in millions):

	Financing		Operating
2021	$	1.5	$	8.3
2022		3.0		16.9
2023		2.8		14.9
2024		2.7		13.9
2025		2.7		11.5
Thereafter		0.7		37.9
Total lease payments		13.4		103.4
Less: imputed interest		(0.5)		(10.8)
Present value of lease liabilities	$	12.9	$	92.6

Schedule of Maturities of Finance Lease Liabilities

	Financing		Operating
2021	$	1.5	$	8.3
2022		3.0		16.9
2023		2.8		14.9
2024		2.7		13.9
2025		2.7		11.5
Thereafter		0.7		37.9
Total lease payments		13.4		103.4
Less: imputed interest		(0.5)		(10.8)
Present value of lease liabilities	$	12.9	$	92.6