Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Measured at Fair Value on a Recurring Basis

The following tables represent financial assets that we measured at fair value on a recurring basis at September 30, 2025 and 2024: 

September 30, 2025	Active Markets for Identical Instruments (Level 1)		Fair Value as of September 30, 2025
	(In thousands)
Assets:
Cash equivalents (1)	$	6	$	6
Marketable securities (2)	54,625		54,625
Total	$	54,631	$	54,631

September 30, 2024	Active Markets for Identical Instruments (Level 1)		Fair Value as of September 30, 2024
	(In thousands)
Assets:
Cash equivalents (1)	$	7,899	$	7,899
Marketable securities (2)	45,289		45,289
Total	$	53,188	$	53,188

 

(1)Included in cash and cash equivalents on our consolidated balance sheets at September 30, 2025 and 2024. Not included in these tables are cash deposits of $134.1 million and $142.8 million at September 30, 2025 and 2024, 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 consolidated balance sheets at September 30, 2025 and 2024.