Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Cash flows from operating activities:
Net Income	$ 1,498,300	$ 814,800	$ 853,600
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	191,900	156,600	80,100
Depreciation	332,200	318,300	314,900
Amortization of intangible assets	104,500	46,000	56,700
Deferred income taxes	(59,500)	(13,400)	(6,100)
Asset Impairment Charges	7,100	11,800	0
Excess tax benefit from share-based compensation	1,100	0	0
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0	0	(3,100)
Other	200	3,800	16,800
Changes in assets and liabilities net of acquired balances:
Receivables, net	(397,700)	76,800	228,800
Inventory	(41,200)	(190,400)	(119,600)
Accounts payable	59,600	61,100	(33,000)
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(75,500)	80,900	21,700
Net Cash Provided by (Used in) Operating Activities	1,772,000	1,204,500	1,367,400
Cash flows from investing activities:
Capital expenditures	(637,800)	(389,400)	(398,400)
Payments for acquisitions, net of cash acquired	(2,751,000)	0	0
Purchased intangibles	(14,300)	(9,100)	(25,000)
Payments to Acquire Marketable Securities	(500,800)	(790,500)	(360,500)
Maturity of investments	770,700	607,600	447,000
Net Cash Provided by (Used in) Investing Activities	(3,133,200)	(581,400)	(336,900)
Cash flows from financing activities:
Repurchase of common stock - payroll tax withholdings on equity awards	(55,200)	(33,100)	(22,800)
Repurchase of common stock - share repurchase program	(195,600)	(647,500)	(657,600)
Dividends paid	(340,600)	(307,000)	(273,900)
Proceeds from Issuance of Common Stock	24,800	22,800	19,700
Proceeds from Issuance of Debt	(2,488,200)	0	0
Repayments of Long-term Debt	(250,000)	0	0
Payments of Financing Costs	(5,800)	0	0
Net proceeds from exercise of stock options	11,600	57,100	22,100
Net Cash Provided by (Used in) Financing Activities	1,677,400	(907,700)	(912,500)
Net increase in cash and cash equivalents	316,200	(284,600)	118,000
Cash and cash equivalents at beginning of period	566,700	851,300	733,300
Cash and cash equivalents at end of period	882,900	566,700	851,300
Supplemental cash flow disclosures:
Treasury Stock, Retired, Cost Method, Amount	4,342,600
Income taxes paid	184,000	110,800	124,400
Interest Paid, Excluding Capitalized Interest, Operating Activities	2,200	0	0
Stock Issued	27,500	0	700
Capital Expenditures Incurred but Not yet Paid	$ 29,300	$ 78,700	$ 101,500