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INCOME TAXES (Effective income tax rate reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Oct. 02, 2021
Income Tax Disclosure [Abstract]
Expected income tax provision based on the U.S. federal statutory tax rate	$ 15,162	$ 100,212	$ 86,915
Effect of earnings of foreign subsidiaries subject to different tax rates	(8,448)	(17,936)	(15,028)
Benefit from tax incentives	(11,198)	(50,113)	(45,501)
Benefit from research and development tax credits	(4,038)	(2,995)	(2,705)
Benefit from foreign tax credits	(7,834)	(26,021)	(20,281)
Valuation allowance	3,127	(5,830)	(11,620)
Foreign operations (Deemed income, taxes on undistributed foreign earnings, and withholding taxes)	24,450	45,421	52,414
Goodwill impairment	2,517	0	0
Other, net	1,315	705	3,101
Provision for income taxes	$ 15,053	$ 43,443	$ 47,295
Effective tax rate	20.80%	9.10%	11.40%

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