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Detail of Selected Balance Sheet Accounts - Components of Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials, parts and sub-assemblies, net $ 64,960 $ 49,213
Work-in-progress 1,149 1,202
Total inventories $ 66,109 $ 50,415