Leases (Tables)

3 Months Ended

Dec. 31, 2024

Leases [Abstract]

Schedule of Components of Lease Expenses

The components of lease expenses are as follows:

	Three Months Ended
	December 31, 2024		December 31, 2023
	(in millions)
Operating lease cost	$	36.9	$	37.4
Finance lease cost:
Amortization of right-of-use assets	8.1		6.8
Interest on lease liabilities	0.9		0.8
Variable lease cost	8.2		8.9
Total lease cost	$	54.1	$	53.9

Additional cash flow information related to leases is as follows:

	Three Months Ended
	December 31, 2024		December 31, 2023
	(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	41.9	$	46.2
Operating cash flows from finance leases	0.9		0.8
Financing cash flows from finance leases	7.5		7.6
Right-of-use assets obtained in exchange for new operating leases	21.6		11.6
Right-of-use assets obtained in exchange for new finance leases	17.9		11.5

Schedule of Additional Balance Sheet Information Related to Leases

Additional balance sheet information related to leases is as follows:

		As of		As of
(in millions except as noted)	Balance Sheet Classification	December 31, 2024		September 30, 2024
Assets:
Operating lease assets	Operating lease right-of-use assets	$	410.5	$	432.2
Finance lease assets	Property and equipment – net	70.3		62.1
Total lease assets		$	480.8	$	494.3
Liabilities:
Current:
Operating lease liabilities	Accrued expenses and other current liabilities	$	129.7	$	135.1
Finance lease liabilities	Current portion of long-term debt	27.7		25.5
Total current lease liabilities		157.4		160.6
Non-current:
Operating lease liabilities	Operating lease liabilities, noncurrent	485.1		510.6
Finance lease liabilities	Long-term debt	42.2		35.7
Total non-current lease liabilities		$	527.3	$	546.3

	As of		As of
	December 31, 2024		September 30, 2024
Weighted average remaining lease term (in years):
Operating leases	6.1		6.2
Finance leases	2.8		2.6
Weighted average discount rates:
Operating leases	5.2	%	5.1	%
Finance leases	4.7	%	4.4	%

Schedule of Operating Lease, Liability, to be Paid, Maturity

Total remaining lease payments under both the Company’s operating and finance leases are as follows:

	Operating Leases		Finance Leases
Fiscal Year	(in millions)
2025 (nine months remaining)	$	118.5	$	23.5
2026	137.4		26.1
2027	106.8		17.6
2028	92.5		7.9
2029	77.2		0.1
Thereafter	188.1		—
Total lease payments	$	720.5	$	75.2
Less: Amounts representing interest	$	(105.7)	$	(5.3)
Total lease liabilities	$	614.8	$	69.9

Schedule of Finance Lease, Liability, to be Paid, Maturity

Total remaining lease payments under both the Company’s operating and finance leases are as follows:

	Operating Leases		Finance Leases
Fiscal Year	(in millions)
2025 (nine months remaining)	$	118.5	$	23.5
2026	137.4		26.1
2027	106.8		17.6
2028	92.5		7.9
2029	77.2		0.1
Thereafter	188.1		—
Total lease payments	$	720.5	$	75.2
Less: Amounts representing interest	$	(105.7)	$	(5.3)
Total lease liabilities	$	614.8	$	69.9