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Note 8 Commitment (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Oct. 01, 2016
Operating Leased Assets [Line Items]      
2019 $ 21,188    
2020 14,647    
2021 13,036    
2022 9,635    
2023 6,038    
Thereafter 21,220    
Total minimum lease payments 85,764    
Operating Leases, Rent Expense, Net $ 27,000 $ 24,000 $ 24,000