Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Sep. 29, 2017	Sep. 30, 2016	Oct. 02, 2015
Cash flows from operating activities:
Net Income	$ 1,010.2	$ 995.2	$ 798.3
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	88.5	78.0	99.8
Depreciation	227.2	214.4	162.3
Amortization of intangible assets	27.6	33.4	33.5
Contribution of common shares to savings and retirement plans	15.0	18.0	20.9
Deferred income taxes	2.2	0.0	(3.9)
Excess tax benefit from share-based compensation	(40.8)	(43.7)	(57.3)
Other	0.3	0.3	0.5
Changes in assets and liabilities net of acquired balances:
Receivables, net	(37.1)	121.4	(222.2)
Inventory	(69.2)	(147.3)	3.6
Other current and long-term assets	3.3	(20.4)	(39.2)
Accounts payable	147.8	(181.5)	90.5
Other current and long-term liabilities	96.3	27.9	106.0
Net cash provided by operating activities	1,471.3	1,095.7	992.8
Cash flows from investing activities:
Capital expenditures	(303.3)	(189.3)	(430.1)
Payments for acquisitions, net of cash acquired	(13.7)	(55.6)	(24.6)
Purchased intangibles	(12.1)	(6.0)	0.0
Maturity of investments	3.2	0.0	0.0
Net cash used in investing activities	(325.9)	(250.9)	(454.7)
Cash flows from financing activities:
Payments for obligations recorded for business combinations	0.0	(76.5)	0.0
Excess tax benefit from share-based compensation	40.8	43.7	57.3
Repurchase of common stock - payroll tax withholdings on equity awards	(49.2)	(73.3)	(54.2)
Repurchase of common stock - share repurchase program	(432.3)	(525.6)	(237.3)
Dividends paid	(214.6)	(201.0)	(123.1)
Net proceeds from exercise of stock options	53.8	28.1	57.0
Deferred payments for intangible assets	(5.5)	0.0	0.0
Payment for obligations recorded for business combinations	(5.4)	0.0	0.0
Net cash used in financing activities	(612.4)	(804.6)	(300.3)
Net increase in cash and cash equivalents	533.0	40.2	237.8
Cash and cash equivalents at beginning of period	1,083.8	1,043.6	805.8
Cash and cash equivalents at end of period	1,616.8	1,083.8	1,043.6
Supplemental cash flow disclosures:
Income taxes paid	$ 163.2	$ 165.9	$ 126.1