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Note 10 Effective Tax Rate (Details)
12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Oct. 01, 2016
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Federal tax at statutory tax rate 24.50% 35.00% 35.00%
Tax Act impact 165.16% 0.00% 0.00%
Effect of foreign operations 7.92% 1.89% 5.35%
Foreign income inclusion 0.17% 0.26% 9.43%
Permanent items (1.37%) 2.10% (0.29%)
Release of valuation allowance 0.00% 0.00% (47.10%)
Benefit of Foreign Restructuring 0.00% (4.92%) 0.00%
Other 0.32% (2.10%) 4.61%
State income taxes, net of federal benefit 1.24% 2.72% 1.18%
Effective tax rate 197.94% 34.95% 8.18%