Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Sep. 28, 2018
Cash flows from operating activities:
Net Income	$ 814,800	$ 853,600	$ 918,400
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	156,600	80,100	107,800
Depreciation	318,300	314,900	272,500
Amortization of intangible assets	46,000	56,700	26,700
Deferred income taxes	(13,400)	(6,100)	27,300
Asset Impairment Charges	11,800	0	0
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0	(3,100)	(11,900)
Other	3,800	16,800	(700)
Changes in assets and liabilities net of acquired balances:
Receivables, net	71,700	190,500	(193,800)
Inventory	(190,400)	(119,600)	11,900
Accounts payable	61,100	(33,000)	(126,000)
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(75,800)	16,600	228,400
Net Cash Provided by (Used in) Operating Activities	1,204,500	1,367,400	1,260,600
Cash flows from investing activities:
Capital expenditures	(389,400)	(398,400)	(422,300)
Payments for acquisitions, net of cash acquired	0	0	(404,000)
Purchased intangibles	(9,100)	(25,000)	(8,600)
Payments to Acquire Marketable Securities	(790,500)	(360,500)	(683,700)
Maturity of investments	607,600	447,000	368,200
Net Cash Provided by (Used in) Investing Activities	(581,400)	(336,900)	(1,150,400)
Cash flows from financing activities:
Repurchase of common stock - payroll tax withholdings on equity awards	(33,100)	(22,800)	(48,000)
Repurchase of common stock - share repurchase program	(647,500)	(657,600)	(759,500)
Dividends paid	(307,000)	(273,900)	(243,200)
Proceeds from Issuance of Common Stock	22,800	19,700	18,200
Net proceeds from exercise of stock options	57,100	22,100	38,800
Net Cash Provided by (Used in) Financing Activities	(907,700)	(912,500)	(993,700)
Net increase in cash and cash equivalents	(284,600)	118,000	(883,500)
Cash and cash equivalents at beginning of period	851,300	733,300	1,616,800
Cash and cash equivalents at end of period	566,700	851,300	733,300
Supplemental cash flow disclosures:
Income taxes paid	110,800	124,400	135,900
Capital Expenditures Incurred but Not yet Paid	$ 78,700	$ 101,500	$ 108,000