Leases (Tables)

12 Months Ended

Sep. 30, 2021

Leases [Abstract]

Lease, Cost

The components of lease expense were as follows (in millions):

	2021		2020
Operating lease expense(1)	$	109.8	$	104.6
Variable lease expense(2)	15.8		15.6
Finance lease expense
Amortization of right-of-use assets	1.7		1.3
Interest on lease liabilities	0.4		0.4
Total lease expense	$	127.7	$	121.9

(1) Operating lease expense includes short-term lease expense which was not material.

(2) Variable lease expense includes sublease income which was not material.

Supplemental cash flow information related to leases was as follows (in millions):

	2021		2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	108.5	$	103.6
Operating cash flows from finance leases	0.4		0.4
Financing cash flows from finance leases	1.8		1.2
Right-of-use assets obtained in exchange for lease obligations
Operating leases	$	90.6	$	131.2
Financing leases	0.9		—

Supplemental Balance Sheet Information

Supplemental balance sheet information related to leases was as follows (in millions):

	2021		2020
Weighted average remaining lease term:
Operating leases	6.8 years		6.3 years
Finance leases	4.3 years		7.8 years
Weighted average discount rate:
Operating leases	1.79	%	1.84	%
Finance leases	3.96	%	3.50	%

Operating Lease Maturity

Maturities of lease liabilities as of September 30, 2021, were as follows (in millions):

	Finance Leases		Operating Leases
2022	$	5.6	$	96.2
2023	3.5		81.3
2024	1.9		62.9
2025	1.6		45.5
2026	1.6		33.0
Thereafter	2.8		110.1
Total undiscounted lease payments	$	17.0	$	429.0
Less imputed interest	(1.5)		(25.5)
Total lease liabilities	$	15.5	$	403.5