Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements for Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis, and indicates the fair value hierarchy of the valuation techniques utilized by the Company:

	December 31, 2024
	Level 1		Level 2		Level 3		Total
	(in thousands)
Available-for-sale securities
U.S. government and agency securities	$	—	$	135,718	$	—	$	135,718
Commercial notes	—		136,944		—		136,944
Corporate debt securities	—		226,384		—		226,384
Total available-for-sale securities	—		499,046		—		499,046
Cash equivalents
Money market instruments	27,290		—		—		27,290
Commercial notes	—		2,996		—		2,996
Total cash equivalents	27,290		2,996		—		30,286
Total financial assets	$	27,290	$	502,042	$	—	$	529,332

	September 30, 2024
	Level 1		Level 2		Level 3		Total
	(in thousands)
Available-for-sale securities
U.S. government and agency securities	$	—	$	160,723	$	—	$	160,723
Commercial notes	—		179,714		—		179,714
Corporate debt securities	—		237,839		—		237,839
Total available-for-sale securities	—		578,276		—		578,276
Cash equivalents
Money market instruments	66,966		—		—		66,966
Total cash equivalents	66,966		—		—		66,966
Total financial assets	$	66,966	$	578,276	$	—	$	645,242