Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 29, 2012	Jul. 01, 2011
Cash flows from operating activities:
Net income	$ 140,476	$ 162,376
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	53,654	42,688
Depreciation	52,095	43,120
Amortization of intangible assets and other	24,724	8,312
Contribution of common shares to savings and retirement plans	9,202	8,241
Deferred income taxes	2,306	6,954
Excess tax benefit from share-based payments	(8,909)	(12,074)
Change in fair value of contingent consideration	(5,414)	0
Other	530	206
Changes in assets and liabilities net of acquired balances:
Receivables, net	(58,520)	4,758
Inventory	3,588	(40,560)
Other current and long-term assets	(6,248)	440
Accounts payable	10,258	(12,992)
Other current and long-term liabilities	17,143	31,550
Net cash provided by operating activities	234,885	243,019
Cash flows from investing activities:
Capital expenditures	(63,338)	(85,371)
Payments for acquisitions, net of cash acquired	(229,628)	(249,829)
Sales and maturities of short term investments	20,900	0
Net cash used in investing activities	(272,066)	(335,200)
Cash flows from financing activities:
Retirement of debt and line of credit	(48,047)	(50,000)
Excess tax benefit from share-based payments	8,909	12,074
Change in restricted cash	(105)	5,416
Repurchase of common stock - payroll tax withholdings on equity awards	(16,473)	(19,942)
Repurchase of common stock - share repurchase program	(12,405)	(60,187)
Net proceeds from exercise of stock options	22,219	61,208
Other, net	94	0
Net cash used in financing activities	(45,808)	(51,431)
Net decrease in cash and cash equivalents	(82,989)	(143,612)
Cash and cash equivalents at beginning of period	410,087	453,257
Cash and cash equivalents at end of period	327,098	309,645
Supplemental cash flow disclosures:
Income taxes paid	19,014	11,939
Interest paid	$ 168	$ 267