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Note 8 Effective Tax Rate (Details)
12 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Federal tax at statutory tax rate 35.00% 35.00% 35.00%
Effect of foreign operations 1.89% 5.35% 3.82%
Foreign income inclusion 0.26% 9.43% 0.21%
Permanent items 2.10% (0.29%) 2.05%
Release of valuation allowance 0.00% (47.10%) (163.92%)
Benefit of Foreign Restructuring (4.92%) 0.00% 0.00%
Other (2.10%) 4.61% 4.41%
State income taxes, net of federal benefit 2.72% 1.18% 4.31%
Effective tax rate 34.95% 8.18% (114.12%)