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Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Sep. 29, 2023 | Sep. 30, 2022 | Oct. 01, 2021
Income Taxes [Line Items] |  |  |
United States tax rate | 21.00% |  |
Foreign tax rate difference | $ 90,700 | $ 105,300 | $ 111,700
Income tax holiday | September 30, 2030 |  |
Impact of tax holiday | $ 66,000 | $ 96,600 | $ 99,500
Impact of tax holiday on diluted earnings per share (in dollars per share) | $ 0.41 | $ 0.59 | $ 0.60
Valuation Allowance, Amount | $ 164,200 | $ 161,400 |
Tax benefit to recognize if valuation allowance is reversed | 164,200 |  |
Future taxable income needed to utilize deferred tax assets | 656,600 |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 2,800 | 11,400 |
Total unrecognized tax benefits that would impact the effective tax rate | 40,400 |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | (11,600) | (2,900) | $ (1,200)
Decreases relating to settlements with taxing authorities | 12,000 |  |
Accrued interest or penalties related to unrecognized tax benefit | 6,200 | 5,700 |
EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomeAmount | 16,300 | 36,100 | 25,500
EffectiveIncomeTaxRateReconciliationForeignDerivedIntangibleIncome | 65,900 | 39,900 | 79,700
Provision for income taxes | 96,000 | 201,400 | $ 100,400
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Current | 34,900 | 18,600 |
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Noncurrent | 105,800 | $ 139,700 |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 13,100 |  |
2024 Cash Disbursement for Repatriation tax |  |  |
Income Taxes [Line Items] |  |  |
Accrued Income Taxes | 34,900 |  |
2025 Cash Disbursement for Repatriation tax |  |  |
Income Taxes [Line Items] |  |  |
Accrued Income Taxes | 47,600 |  |
2026 Cash Disbursement for Repatriation tax |  |  |
Income Taxes [Line Items] |  |  |
Accrued Income Taxes | 58,200 |  |
Foreign Tax Authority [Member] |  |  |
Income Taxes [Line Items] |  |  |
Valuation Allowance, Amount | 20,200 |  |
State and Local Jurisdiction [Member] | General Business Tax Credit Carryforward |  |  |
Income Taxes [Line Items] |  |  |
Valuation Allowance, Amount | 140,000 |  |
State and Local Jurisdiction [Member] | Capital Loss Carryforward |  |  |
Income Taxes [Line Items] |  |  |
Valuation Allowance, Amount | $ 4,000 |  |
UNITED STATES |  |  |
Income Taxes [Line Items] |  |  |
Open tax year | 2020 |  |
CALIFORNIA |  |  |
Income Taxes [Line Items] |  |  |
Open tax year | 2004 |  |
CANADA |  |  |
Income Taxes [Line Items] |  |  |
Open tax year | 2016 |  |
MEXICO |  |  |
Income Taxes [Line Items] |  |  |
Open tax year | 2013 |  |
JAPAN |  |  |
Income Taxes [Line Items] |  |  |
Open tax year | 2016 |  |
SINGAPORE |  |  |
Income Taxes [Line Items] |  |  |
Open tax year | 2019 |  |

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