Consolidated Statement of Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 26, 2020	Jun. 28, 2019	Jun. 26, 2020	Jun. 28, 2019	Sep. 29, 2018
Disposition of business, deferred taxes		$ 5,402		$ 5,402
Pension and retiree medical plan liability, deferred taxes	$ 8,324	6,322	$ 4,465	(1,574)
Pension and retiree medical plan liability, deferred taxes		920		(6,976)
Gain on derivative, deferred tax expense (benefit)		(35)
Foreign currency translation adjustment, deferred taxes	(22,062)	$ 0	(3,633)	0
Gain on derivative, deferred tax expense (benefit)	$ 6,262		$ (6,262)	$ 568
ASC 606
Deferred taxes from adoption of ASC 606					$ (10,285)

Derivative, Gain on Derivative, Deferred Tax

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- Definition

Disposition of Business, Deferred Taxes

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Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment and Disposals, Tax

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Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from reserves and accruals, compensation and benefit costs, and other provisions, reserves, and allowances.

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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