Leases (Tables)

12 Months Ended

Sep. 30, 2025

Leases [Abstract]

Summary of Lease-Related Assets and Liabilities

The following table summarizes the lease-related assets and liabilities recorded in the Consolidated Balance Sheets at September 30, 2025 and 2024:

	Fiscal Year Ended
	September 30, 2025		September 30, 2024
Operating leases:
Right-of-use asset	$	72.1	$	81.3
Current portion of lease liabilities		24.7		24.9
Lease liabilities		53.5		62.6
Total operating lease liabilities	$	78.2	$	87.5
Finance leases:
Right-of-use asset(1)	$	79.3	$	67.7
Current portion of lease liabilities(2)		44.8		37.0
Lease liabilities(3)		37.1		31.2
Total finance lease liabilities	$	81.9	$	68.2

(1) Included in “Property and equipment, net” in the Consolidated Balance Sheets.

(2) Included in “Accrued expenses and other liabilities” in the Consolidated Balance Sheets.

(3) Included in “Other liabilities” in the Consolidated Balance Sheets.

Summary of Weighted-average Remaining Lease Terms and Incremental Borrowing Rates

The weighted-average remaining lease terms and incremental borrowing rates as of September 30, 2025 and 2024 were as follows:

	Fiscal Year Ended
	September 30, 2025			September 30, 2024
Operating leases:
Weighted-average remaining lease term (years)		4.0			4.4
Weighted-average incremental borrowing rate		5.5	%		4.9	%
Finance leases:
Weighted-average remaining lease term (years)		2.1			2.4
Weighted-average incremental borrowing rate		6.4	%		5.9	%

Summary of Components of Lease Cost for Operating and Finance Leases

The components of lease cost for operating and finance leases for the fiscal year ended September 30, 2025 and 2024 were as follows:

	Fiscal Year Ended
	September 30, 2025			September 30, 2024
Operating lease cost	$	30.0		$	31.5
Finance lease cost:
Amortization of right-of-use asset		48.3			34.7
Interest on lease liabilities		4.6			3.2
Total finance lease cost		52.9			37.9
Short-term lease cost		21.5			22.1
Variable lease costs not included in lease liability		3.8			3.8
Sublease income		(0.7	)		(0.7	)
Total lease cost	$	107.5		$	94.6

Summary of Supplemental Cash Flow Information

Supplemental cash flow information for the fiscal year ended September 30, 2025 and 2024 were as follows:

	Fiscal Year Ended
	September 30, 2025		September 30, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	26.1	$	27.7
Operating cash flows from finance leases		4.6		3.2
Financing cash flows from finance leases		48.4		36.3
Non-cash items:
Right-of-use Assets Obtained In Exchange For New Operating Liabilities	17.7		27.1
Right-of-use Assets Obtained In Exchange For New Finance Liabilities	68.3		65.4

Summary of Maturities of Operating and Finance Lease Liabilities

Maturities of operating and finance lease liabilities as of September 30, 2025 were as follows:

Fiscal Year	Operating Lease			Finance Lease
2026	$	28.2		$	48.0
2027		21.3			21.8
2028		15.5			8.1
2029		10.2			6.1
2030		6.0			3.1
Thereafter		6.9			—
Total net lease payments		88.1			87.1
Less: Amounts representing interest		(9.9	)		(5.2	)
Total lease liabilities		78.2			81.9
Less: Current portion of lease liabilities		(24.7	)		(44.8	)
Non-current lease liabilities	$	53.5		$	37.1