Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2024

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 indicate the fair value hierarchy of the valuation techniques utilized by the Company:


	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


	September 30, 2023
	Level 1		Level 2		Level 3		Total
	(in thousands)

Available-for-sale securities
U.S. government bonds	$	31,553	$	—	$	—	$	31,553
Municipal securities	—		7,093		—		7,093
Commercial notes	—		22,205		—		22,205
Corporate debt securities	—		231,884		—		231,884
Total available-for-sale securities	31,553		261,182		—		292,735
Cash equivalents
Money market instruments	39,733		—		—		39,733
Total cash equivalents	39,733		—		—		39,733
Total financial assets	$	71,286	$	261,182	$	—	$	332,468