Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 28, 2014	Mar. 29, 2013
Cash flows from operating activities:
Net income	$ 171.4	$ 128.2
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	39.6	36.0
Depreciation	42.4	37.0
Amortization of intangible assets	12.8	15.4
Contribution of common shares to savings and retirement plans	8.7	8.7
Deferred income taxes	(0.8)	(1.3)
Excess tax benefit from share-based compensation	(23.9)	(5.5)
Other	0.4	0
Changes in assets and liabilities net of acquired balances:
Receivables, net	76.4	63.0
Inventory	12.6	6.0
Other current and long-term assets	8.5	(2.9)
Accounts payable	(0.7)	(29.0)
Other current and long-term liabilities	25.6	22.3
Net cash provided by operating activities	373.0	277.9
Cash flows from investing activities:
Capital expenditures	(58.2)	(52.0)
Sales and maturities of investments	0	0.8
Net cash used in investing activities	(58.2)	(51.2)
Cash flows from financing activities:
Excess tax benefit from share-based compensation	23.9	5.5
Repurchase of common stock - payroll tax withholdings on equity awards	(18.6)	(16.0)
Repurchase of common stock - share repurchase program	(78.6)	(72.5)
Net proceeds from exercise of stock options	45.2	8.0
Net cash used in financing activities	(28.1)	(75.0)
Net increase in cash and cash equivalents	286.7	151.7
Cash and cash equivalents at beginning of period	511.1	307.1
Cash and cash equivalents at end of period	797.8	458.8
Supplemental cash flow disclosures:
Income taxes paid	$ 23.3	$ 8.5