CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Oct. 01, 2010
Cash flows from operating activities:
Net earnings	$ 427,049	$ 398,933	$ 360,422
Adjustments to reconcile net earnings to net cash provided by operating activities:
Share-based compensation expense	47,876	42,018	39,814
Tax benefits from exercises of share-based payment awards	7,888	24,441	18,282
Excess tax benefits from share-based compensation	(8,929)	(22,570)	(15,072)
Depreciation	56,103	49,643	44,973
Amortization of intangible assets	4,879	2,948	3,320
Deferred taxes	(2,349)	35,230	30,111
Provision for doubtful accounts receivable	10,350	2,514	1,319
(Income) loss on equity investment in affiliate	(245)	(4,276)	732
Other	1,265	(398)	1,076
Changes in assets and liabilities, net of effect of acquisitions:
Accounts receivable	(87,434)	(41,577)	(12,874)
Inventories	(42,459)	(42,235)	(53,328)
Prepaid expenses and other current assets	(47,029)	(13,288)	(13,753)
Accounts payable	19,275	35,524	2,959
Accrued expenses	37,516	674	1,023
Product warranty	3,314	(4,026)	1,843
Deferred revenues	(12,457)	(1,743)	11,328
Advance payments from customers	81,244	23,373	49,201
Other long-term liabilities	(3,082)	(12,406)	(10,590)
Net cash provided by operating activities	492,775	472,779	460,786
Cash flows from investing activities:
Purchases of property, plant and equipment	(61,103)	(70,928)	(67,545)
Investment in debt security	(30,503)	(19,205)	0
Investment in a privately held company	0	(13,597)	0
Acquisition of businesses, net of cash acquired	(28,241)	(9,124)	(1,800)
(Purchases) Sales of investments in life insurance contracts	(2,960)	48	591
Notes repayment (receivable) from affiliate and other	8,800	(781)	271
Other, net	(8,288)	(4,345)	(6,332)
Net cash used in investing activities	(122,295)	(117,932)	(74,815)
Cash flows from financing activities:
Repurchases of common stock	(257,440)	(505,284)	(497,500)
Equity forward contracts	0	(105,562)	(22,500)
Proceeds from issuance of common stock to employees	60,332	137,697	84,431
Excess tax benefits from share-based compensation	8,929	22,570	15,072
Employees' tax withheld and paid for restricted stock and restricted stock units	(10,122)	(14,815)	(8,034)
Net borrowings (repayments) under line of credit agreements	(26,400)	161,400	15,598
Repayments on bank borrowings	(9,876)	(7,264)	(9,005)
Other	(99)	(77)	(237)
Net cash used in financing activities	(234,676)	(311,335)	(422,175)
Effects of exchange rate changes on cash and cash equivalents	4,309	724	2,896
Net increase (decrease) in cash and cash equivalents	140,113	44,236	(33,308)
Cash and cash equivalents at beginning of fiscal year	564,457	520,221	553,529
Cash and cash equivalents at end of fiscal year	$ 704,570	$ 564,457	$ 520,221