Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 27, 2013	Dec. 28, 2012
Cash flows from operating activities:
Net income	$ 94.5	$ 66.5
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	18.9	17.7
Depreciation	20.8	18.5
Amortization of Intangible Assets	6.5	8.2
Contribution of common shares to savings and retirement plans	1.3	1.2
Deferred income taxes	(3.5)	1.6
Excess tax benefit from share-based compensation	(11.7)	(3.1)
Other	0.4	0
Changes in assets and liabilities net of acquired balances:
Receivables, net	25.6	45.4
Inventory	4.9	3.5
Other current and long-term assets	(0.3)	0
Accounts payable	(19.2)	(29.2)
Other current and long-term liabilities	20.6	17.3
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	158.8	147.6
Cash flows from investing activities:
Capital expenditures	(16.3)	(26.4)
Sales and maturities of investments	0	0.8
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(16.3)	(25.6)
Cash flows from financing activities:
Excess tax benefit from share-based compensation	11.7	3.1
Repurchase of common stock - payroll tax withholdings on equity awards	(18.0)	(15.2)
Repurchase of common stock - share repurchase program	(17.1)	(41.7)
Net proceeds from exercise of stock options	18.4	3.0
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	(5.0)	(50.8)
Net increase in cash and cash equivalents	137.5	71.2
Cash and cash equivalents at beginning of period	511.1	306.3
Cash and cash equivalents at end of period	648.6	377.5
Supplemental cash flow disclosures:
Income taxes paid	$ 0.7	$ 0.5