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