CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2015	Sep. 26, 2014	Sep. 27, 2013
Cash flows from operating activities:
Net earnings	$ 412,018	$ 403,703	$ 438,248
Adjustments to reconcile net earnings to net cash provided by operating activities:
Share-based compensation expense	46,303	39,636	42,637
Tax benefits from exercises of share-based payment awards	12,579	10,900	10,708
Excess tax benefits from share-based compensation	(12,612)	(10,890)	(9,583)
Depreciation	60,077	57,678	58,527
Amortization of intangible assets	8,443	4,779	4,332
Deferred taxes	5,413	15,872	(3,946)
Impairment of a privately-held equity investment	0	7,725
Provision for doubtful accounts receivable	1,123	7,150	5,984
(Income) loss from equity investment in affiliate	(335)	822	(2,461)
Change in fair value of contingent consideration	(92)	(686)	(5,190)
Other, net	1,699	382	1,673
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(79,394)	(74,501)	(43,301)
Inventories	(41,557)	(43,343)	(76,400)
Prepaid expenses and other assets	(8,190)	(3,235)	(15,694)
Accounts payable	6,460	1,971	7,784
Accrued liabilities and other long-term liabilities	(14,004)	(844)	(32,731)
Deferred revenues and advance payments from customers	71,625	31,867	74,598
Net cash provided by operating activities	469,556	448,986	455,185
Cash flows from investing activities:
Purchases of property, plant and equipment	(91,384)	(89,649)	(76,277)
Investment in available-for-sale securities	(1,761)	(45,209)	(10,044)
Sale of available-for-sale securities	572	38,075	0
Acquisitions of businesses, net of cash acquired	(95,302)	(31,500)	0
Notes receivable	(23,714)	(5,500)	(10,000)
Other	670	692	50
Net cash used in investing activities	(210,919)	(133,091)	(96,271)
Cash flows from financing activities:
Repurchases of common stock	(422,030)	(627,742)	(419,933)
Proceeds from issuance of common stock to employees	90,975	99,655	129,582
Excess tax benefits from share-based compensation	12,612	10,890	9,583
Employees' taxes withheld and paid for restricted stock and restricted stock units	(16,323)	(8,764)	(9,560)
Borrowings under credit facility agreement	145,000	0	500,000
Repayments under credit facility agreement and other bank borrowings	(195,000)	(68,750)	0
Net borrowings under the credit facility agreements with maturities less than 90 days	108,550	0	(155,000)
Contingent consideration	(3,338)	(698)	(1,052)
Capital contribution from noncontrolling interest holders	2,872	0	0
Other	(3)	(58)	(1,974)
Net cash provided by (used in) financing activities	(276,685)	(595,467)	51,646
Effects of exchange rate changes on cash and cash equivalents	14,241	10,986	2,731
Net increase (decrease) in cash and cash equivalents	(3,807)	(268,586)	413,291
Cash and cash equivalents at beginning of period	849,275	1,117,861	704,570
Cash and cash equivalents at end of period	$ 845,468	$ 849,275	$ 1,117,861