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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Research and Development) (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 27, 2024
Sep. 29, 2023
Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items]      
Gross amount capitalized related to software development $ 66,909 $ 64,390  
Accumulated amortization $ 41,284 37,934  
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 $ 3,350 $ 4,062 $ 3,444
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