Leases (Tables)

12 Months Ended

Sep. 30, 2025

Leases [Abstract]

Summary of Future Minimum Lease Payments and Sublease Income

Future minimum lease payments and sublease income under all non-cancelable operating leases as of September 30, 2025 are as follows:

(in thousands)	Operating leases		Sublease income
Years ending September 30:
2026	$	13,963	$	1,918
2027	8,450		1,975
2028	8,510		2,035
2029	6,609		—
2030	6,787		—
Thereafter	74,618		—
Total minimum lease payments	$	118,937	$	5,928
Less: imputed interest	(43,365)
Total operating lease liabilities	$	75,572
Less: current portion	(13,822)
Operating lease liabilities, net of current portion	$	61,750

Summary of Lease Expense and Supplemental Information

The components of lease expense and supplemental information were as follows:

	September 30,
(in thousands except years and percentage)	2025			2024
Operating lease costs	$	15,127		$	15,637
Variable lease costs	8,656			7,724
Sublease income	1,068			—
Weighted-average remaining lease term (in years) - operating leases	15.18 years			15.21 years
Weighted-average discount rate - operating leases	6.49		%	6.52		%

Supplemental cash flow information related to leases are as follows:

	September 30,
(in thousands)	2025		2024
Cash payments included in the measurement of operating lease liabilities	$	14,853	$	14,707