Leases (Tables)

12 Months Ended

Sep. 30, 2024

Leases [Abstract]

Lease, Cost

The components of lease expense were (in millions):

	2024		2023		2022
Operating lease expense (1)	$	109.6	$	100.2	$	103.6
Variable lease expense (2)	20.4		18.8		16.6
Finance lease expense
Amortization of right-of-use assets	7.6		5.2		6.9
Interest on lease liabilities	0.2		0.3		0.6
Total lease expense	$	137.8	$	124.5	$	127.7

(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 consists of (in millions):

	2024		2023		2022
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	110.2	$	101.7	$	102.9
Operating cash flows from finance leases	0.2		0.3		0.6
Financing cash flows from finance leases	10.0		5.5		8.8
Right-of-use assets obtained in exchange for lease obligations
Operating leases	$	163.2	$	93.3	$	63.4
Financing leases	9.3		—		11.8

Supplemental Balance Sheet Information

Supplemental balance sheet information related to leases consists of:

	2024		2023
Weighted average remaining lease term
Operating leases	6.4 years		5.8 years
Finance leases	3.7 years		1.6 years
Weighted average discount rate
Operating leases	3.72	%	3.03	%
Finance leases	2.77	%	3.27	%

Operating Lease Maturity

Undiscounted maturities of lease liabilities as of September 30, 2024, were (in millions):

	Finance Leases		Operating Leases
2025	$	6.5	$	104.5
2026	2.2		95.0
2027	2.2		78.4
2028	1.5		58.2
2029	—		41.3
Thereafter	—		128.8
Total undiscounted lease payments	$	12.4	$	506.2
Less: Imputed interest	(0.4)		(60.9)
Total lease liabilities	$	12.0	$	445.3