Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Mar. 30, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 346.4	$ 482.7
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	66.8	43.7
Depreciation	129.6	111.2
Amortization of intangible assets	11.1	15.5
Deferred income taxes	25.6	0.9
Excess tax benefit from share-based compensation	0.0	(28.2)
Changes in assets and liabilities net of acquired balances:
Receivables, net	87.5	48.8
Inventory	26.3	(21.3)
Other current and long-term assets	(27.1)	(18.1)
Accounts payable	(82.2)	53.2
Other current and long-term liabilities	211.0	36.2
Net cash provided by operating activities	795.0	724.6
Cash flows from investing activities:
Capital expenditures	(118.5)	(105.0)
Payments for acquisitions, net of cash acquired	0.0	(13.7)
Payments for Software	(6.0)	0.0
Maturity of investments	0.0	3.2
Net cash used in investing activities	(124.5)	(115.5)
Cash flows from financing activities:
Excess tax benefit from share-based compensation	0.0	28.2
Repurchase of common stock - payroll tax withholdings on equity awards	(46.5)	(44.6)
Repurchase of common stock - stock repurchase program	(284.2)	(201.7)
Dividends paid	(117.5)	(104.1)
Net proceeds from exercise of stock options	32.3	31.9
Contribution of common stock to savings and retirement plans	9.9	7.2
Payments of contingent consideration	0.0	(2.9)
Net cash used in financing activities	(406.0)	(286.0)
Net increase in cash and cash equivalents	264.5	323.1
Cash and cash equivalents at beginning of period	1,616.8	1,083.8
Cash and cash equivalents at end of period	1,881.3	1,406.9
Supplemental cash flow disclosures:
Income taxes paid	$ 76.2	$ 82.0