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Note 10 Segment Reporting by Geographic Segment (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) | Apr. 01, 2017 USD ($) | Mar. 31, 2018 USD ($) | Apr. 01, 2017 USD ($)
Revenue from External Customer [Line Items] |  |  |  |
Net sales | $ 1,675,629 | $ 1,682,262 | $ 3,420,429 | $ 3,402,239
Percentage of net sales represented by ten largest customers | 53.00% | 54.00% | 54.00% | 53.00%
Number of customers representing 10% or more of net sales | 1 | 2 | 2 | 2
United States |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net sales | $ 321,337 | $ 303,514 | $ 636,145 | $ 603,390
Mexico |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net sales | 494,760 | 469,572 | 983,994 | 943,732
China |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net sales | 265,913 | 313,740 | 581,005 | 635,479
Malaysia |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net sales | 150,638 | 194,467 | 336,350 | 405,658
Other international |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net sales | $ 442,981 | $ 400,969 | $ 882,935 | $ 813,980

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