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Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 02, 2020 | Sep. 27, 2019 | Sep. 28, 2018
Statement of Stockholders' Equity [Abstract] |  |  |
Change in pension and retiree medical plan liabilities | $ (13,357) | $ 25,348 | $ 17,058
(Gain) loss on derivative deferred taxes |  |  | (859)
Gain (loss) on derivative deferred taxes | (7,285) | 568 |
Disposition of business, deferred taxes |  | 5,402 |
Deferred tax from ASC 606 |  | (10,825) |
Foreign currency translation adjustment, deferred taxes | $ 3,722 | $ 0 | $ 0

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