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Composition of Certain Financial Statement Captions
 6 Months Ended
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Composition of Certain Financial Statement Captions Composition of Certain Financial Statement Captions
The following table presents the composition of property and equipment, net at March 31, 2022 and September 30, 2021:
March 31,
2022		September 30,
2021
 (In thousands)
Property and equipment, net:
       Property and equipment$123,455 $124,966 
       Less: accumulated depreciation and amortization(100,558)(97,053)
           Total$22,897 $27,913