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Income Taxes (Reconciliation Of The Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Income Tax Disclosure [Abstract]
Domestic	$ 141,665	$ 1,126	$ 136,308
Foreign	62,109	4,291	90,644
Earnings before income taxes	$ 203,774	$ 5,417	$ 226,952
Federal statutory income tax rate	21.00%	21.00%	21.00%
Impacts of Tax Act	(1.20%)	(96.40%)	0.40%
Revaluation of deferred taxes	1.60%	(21.60%)	(0.20%)
Withholding taxes	0.40%	27.50%	1.00%
Reversal of indefinite reinvestment assertion	0.20%	(2.90%)	0.60%
R&D and foreign tax credits	(4.60%)	(102.80%)	(2.10%)
Foreign tax rates	4.40%	76.00%	2.30%
Equity-based compensation	(0.10%)	(6.50%)	(0.70%)
Change in valuation allowance for deferred taxes	(1.60%)	21.10%	(0.70%)
State taxes, net of federal benefit	2.10%	(1.90%)	1.40%
Other	0.60%	16.60%	0.10%
Effective income tax rate	22.80%	(69.90%)	23.10%

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