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Tax Cuts And Jobs Act Of 2017, Finalized Accounting, Undistributed Accumulated Earnings Of Foreign Subsidiary

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from intra-entity transfer of asset within consolidated group. Excludes intra-entity transfer of inventory.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of foreign earnings repatriated from subsidiaries outside the country of domicile.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Additional Information (Detail) $ in Thousands, $ in Millions	12 Months Ended
	Oct. 02, 2020 USD ($)	Sep. 27, 2019 USD ($)	Sep. 28, 2018 USD ($)	Sep. 27, 2019 CAD ($)
Income Taxes [Line Items]
Less valuation allowance	$ 277,442	$ 252,536
Valuation allowance change	24,906	9,424	$ (51,329)
Income (loss) from operations before income taxes	$ (41,562)	$ (423,153)	$ (155,235)
Effective income tax rate	(10.90%)	9.30%	13.80%
Deferred tax asset, intra-entity transfer, asset other than inventory	$ 39,800
Foreign earnings repatriated	156,800
Provisional undistributed accumulated earnings of foreign subsidiary	86,700
Unrecognized tax benefits	300	$ 300	$ 300
Deferred Tax Asset, Net Operating Loss Carryforward
Income Taxes [Line Items]
Valuation allowance change	(1,400)
CANADA
Income Taxes [Line Items]
Less valuation allowance	8,000			$ 19.0
United States
Income Taxes [Line Items]
Valuation allowance change	24,900
Grand Cayman
Income Taxes [Line Items]
Foreign earnings repatriated	59,700
Ireland
Income Taxes [Line Items]
Foreign earnings repatriated	25,600
Federal
Income Taxes [Line Items]
Operating loss carryforwards	$ 908,000