Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Financial Assets Measured on a Recurring Basis

The following tables represent financial assets that we measured at fair value on a recurring basis at June 30, 2023 and September 30, 2022:

June 30, 2023	Active Markets for Identical Instruments (Level 1)		Fair Value as of June 30, 2023
	(In thousands)
Assets:
Cash equivalents (1)	$	27,803	$	27,803
Marketable securities (2)	32,047		32,047
Total	$	59,850	$	59,850
September 30, 2022	Active Markets for Identical Instruments (Level 1)		Fair Value as of September 30, 2022
	(In thousands)
Assets:
Cash equivalents (1)	$	19,314	$	19,314
Marketable securities (2)	24,515		24,515
Total	$	43,829	$	43,829

(1)Included in cash and cash equivalents on our condensed consolidated balance sheets at June 30, 2023 and September 30, 2022. Not included in these tables are cash deposits of $135.2 million and $113.9 million at June 30, 2023 and September 30, 2022, respectively.

(2)Represents securities held under a supplemental retirement and savings plan for certain officers and senior management employees, which are distributed upon termination or retirement of the employees. Included in marketable securities on our condensed consolidated balance sheets at June 30, 2023 and September 30, 2022.