Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Cash flows from operating activities:
Net income	$ 128.2	$ 91.2
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	36.0	35.1
Depreciation	37.0	35.0
Amortization of intangible assets and other	15.4	16.1
Contribution of common shares to savings and retirement plans	8.7	8.0
Deferred income taxes	(1.3)	2.2
Excess tax benefit from share-based payments	(5.5)	(5.4)
Other	0	0.4
Changes in assets and liabilities net of acquired balances:
Receivables, net	63.0	(23.8)
Inventory	6.0	16.7
Other current and long-term assets	(2.9)	(4.4)
Accounts payable	(29.0)	11.3
Other current and long-term liabilities	22.3	11.8
Net cash provided by operating activities	277.9	194.2
Cash flows from investing activities:
Capital expenditures	(52.0)	(32.2)
Payments for acquisitions net of cash acquired	0	(229.6)
Sales and maturities of investments	0.8	20.9
Net cash used in investing activities	(51.2)	(240.9)
Cash flows from financing activities:
Retirement of debt	0	(48.1)
Excess tax benefit from share-based payments	5.5	5.4
Repurchase of common stock - tax withholdings on equity awards	(16.0)	(15.5)
Repurchase of common stock - share repurchase program	(72.5)	(12.4)
Net proceeds from exercise of stock options	8.0	13.9
Net cash used in financing activities	(75.0)	(56.7)
Net increase (decrease) in cash and cash equivalents	151.7	(103.4)
Cash and cash equivalents at beginning of period	307.1	410.8
Cash and cash equivalents at end of period	458.8	307.4
Supplemental cash flow disclosures:
Income taxes paid	8.5	9.1
Interest paid	$ 0	$ 0.2