Future Taxable Income to Recognize Deferred Tax Assets

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Income Taxes [Line Items]

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Tax benefit to recognize if valuation allowance is reversed

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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 domestic federal statutory tax rate applicable to pretax income (loss).

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The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.

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Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

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The date on which the special tax status will terminate.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act, classified as current.

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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act, classified as noncurrent.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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

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Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023
Income Taxes [Line Items]
US federal statutory income tax rate	21.00%	21.00%	21.00%
Deemed repatriation tax, liability, current	$ 56.3	$ 46.1
Deemed repatriation tax, liability, noncurrent		57.0
Income tax holiday, Singapore	September 30, 2030
Impact of income tax holiday, Singapore	$ 6.6	$ 67.7	$ 66.0
Impact of income tax holiday on diluted earnings per share, Singapore (in dollars per share)	$ 0.04	$ 0.42	$ 0.41
Valuation allowance, amount	$ 186.8	$ 174.1
Tax benefit to recognize if valuation allowance is reversed	186.8
Future taxable income needed to utilize deferred tax assets	1,600.0
Valuation allowance, increase (decrease), amount	12.7
Total unrecognized tax benefits that would impact the effective tax rate	47.7
Change in unrecognized tax benefits, amount of unrecorded benefit	5.5
Unrecognized tax benefits, income tax penalties and interest expense	2.5	5.5	$ 2.9
Unrecognized tax benefits, income tax penalties and interest accrued	9.9	$ 11.7
Adjustments to previous tax returns			$ 1.6
US federal and state
Income Taxes [Line Items]
Valuation allowance, amount	170.2
Foreign
Income Taxes [Line Items]
Valuation allowance, amount	$ 16.6
United States
Income Taxes [Line Items]
Open tax year	2022
California
Income Taxes [Line Items]
Open tax year	2008
Canada
Income Taxes [Line Items]
Open tax year	2018
Mexico
Income Taxes [Line Items]
Open tax year	2019
Japan
Income Taxes [Line Items]
Open tax year	2018
Singapore
Income Taxes [Line Items]
Open tax year	2020