Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value of Assets and Liabilities Measured on Recurring Basis

The following table summarizes the fair value of our assets and liabilities that were accounted for at fair value on a recurring basis as of September 30, 2023 (in thousands): 

	Fair Value Measurements at September 30, 2023
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value at September 30, 2023
Assets:
Cash and cash equivalents	$	245,875	$	—	$	—	$	245,875
Short-term investments	33,134		—		—		33,134
Other assets	—		9,117		—		9,117
Liabilities:
Deferred compensation	—		9,145		—		9,145

The following table summarizes the fair value of our assets and liabilities that were accounted for at fair value on a recurring basis as of September 30, 2022 (in thousands):  

	Fair Value Measurements at September 30, 2022
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value at September 30, 2022
Assets:
Cash and cash equivalents	$	101,954	$	—	$	—	$	101,954
Short-term investments	14,554		—		—		14,554
Other assets	—		7,730		—		7,730
Liabilities:
Deferred compensation	—		7,714		—		7,714