Consolidated Statements Of Operations - USD ($) $ in Thousands, shares in Millions	3 Months Ended		9 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Income Statement [Abstract]
Document Period End Date			Jul. 02, 2021
Net revenue	$ 1,116,400	$ 736,800	$ 3,798,200	$ 2,398,900
Cost of goods sold	557,800	402,700	1,899,500	1,244,900
Gross profit	558,600	334,100	1,898,700	1,154,000
Operating expenses:
Research and development	130,800	117,000	383,100	337,900
Selling, general, and administrative	85,100	55,000	222,000	169,100
Amortization of intangibles	2,400	2,800	7,900	9,000
Restructuring Costs and Asset Impairment Charges	500	11,800	500	13,800
Total operating expenses	218,800	186,600	613,500	529,800
Operating income	339,800	147,500	1,285,200	624,200
Interest Expense	(2,600)	0	(2,600)	0
Other income (expense), net	(1,000)	(3,500)	(100)	1,400
Income before income taxes	336,200	144,000	1,282,500	625,600
Provision (benefit) for income taxes	(1,600)	14,300	110,500	57,700
Net income	$ 337,800	$ 129,700	$ 1,172,000	$ 567,900
Earnings per share:
Basic (in dollars per share)	$ 2.05	$ 0.78	$ 7.10	$ 3.36
Diluted (in dollars per share)	$ 2.02	$ 0.77	$ 7.02	$ 3.33
Weighted average shares:
Basic (in shares)	165.1	167.0	165.2	169.1
Diluted (in shares)	167.0	168.3	166.9	170.3
Common Stock, Dividends, Per Share, Declared	$ 0.50	$ 0.44	$ 1.50	$ 1.32