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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Research and Development) (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2022
Oct. 01, 2021
Oct. 02, 2020
Finite-Lived Intangible Assets [Line Items]      
Gross amount capitalized related to software development $ 58,857 $ 50,850  
Accumulated amortization $ 33,872 30,428  
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful life (years) 4 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful life (years) 15 years    
Computer Software, Intangible Asset      
Finite-Lived Intangible Assets [Line Items]      
Amortization expense related to capitalized software $ 3,444 $ 3,637 $ 3,829
Computer Software, Intangible Asset | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful life (years) 3 years    
Computer Software, Intangible Asset | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful life (years) 7 years