Consolidated Statements Of Operations - USD ($) $ in Thousands, shares in Millions	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Income Statement [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 5,109,100	$ 3,355,700	$ 3,376,800
Cost of Goods and Services Sold	2,596,700	1,742,800	1,773,000
Gross profit	2,512,400	1,612,900	1,603,800
Operating expenses:
Research and development	532,300	464,100	424,100
Selling, general and administrative	322,500	231,400	198,300
Amortization of intangibles	36,000	11,800	22,600
Restructuring and other charges	8,900	13,800	6,800
Total operating expenses	899,700	721,100	651,800
Operating income	1,612,700	891,800	952,000
Interest Expense	(13,400)	0	0
Other income (expense), net	(600)	(100)	9,000
Income before income taxes	1,598,700	891,700	961,000
Provision for income taxes	100,400	76,900	107,400
Net income	$ 1,498,300	$ 814,800	$ 853,600
Earnings per share:
Basic (in dollars per share)	$ 9.07	$ 4.84	$ 4.92
Diluted (in dollars per share)	$ 8.97	$ 4.80	$ 4.89
Weighted average shares:
Basic (in shares)	165.2	168.5	173.5
Diluted (in shares)	167.0	169.9	174.5
Cash dividends declared and paid per share (in dollars per share)	$ 2.06	$ 1.82