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Detail of Selected Balance Sheet Accounts - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Sep. 30, 2024
Property, Plant and Equipment [Line Items]    
Property, plant and equipment gross $ 262,897 $ 252,295
Less: Accumulated depreciation (151,848) (148,874)
Total property, plant and equipment, net 111,049 103,421
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment gross 24,436 24,110
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment gross $ 133,455 127,094
Buildings and improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Range of asset lives 3 years  
Buildings and improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Range of asset lives 39 years  
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment gross $ 99,840 94,889
Machinery and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Range of asset lives 3 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Range of asset lives 15 years  
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment gross $ 3,056 2,885
Furniture and fixtures | Minimum    
Property, Plant and Equipment [Line Items]    
Range of asset lives 3 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment [Line Items]    
Range of asset lives 10 years  
Construction in process    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment gross $ 2,110 $ 3,317