Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Trade Receivables and Allowance for Doubtful Accounts [Abstract]      
Period past due for which a finance charge may be applied 30 days    
Research and Development Expenses [Abstract]      
Research and development costs $ 13,206 $ 13,363 $ 15,043
Revenue Benchmark | Product Concentration Risk | Transferred over Time      
Revenue Recognition [Abstract]      
Concentration risk, percentage 10.00% 5.00% 5.00%
Minimum      
Goodwill and Other Intangible Assets [Abstract]      
Useful lives of intangibles 2 years    
Maximum      
Goodwill and Other Intangible Assets [Abstract]      
Useful lives of intangibles 15 years    
Buildings | Minimum      
Property, Plant and Equipment [Abstract]      
Useful lives of PPE 10 years    
Buildings | Maximum      
Property, Plant and Equipment [Abstract]      
Useful lives of PPE 45 years    
Machinery, equipment and other | Minimum      
Property, Plant and Equipment [Abstract]      
Useful lives of PPE 3 years    
Machinery, equipment and other | Maximum      
Property, Plant and Equipment [Abstract]      
Useful lives of PPE 12 years