Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 29, 2013		Mar. 30, 2012
Operating activities:
Net income including controlling interest	$ 113,716		$ 161,683
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	26,420		20,103
Stock-based compensation	32,649	[1]	23,502	[1]
Amortization of premium on investments	5,953		9,306
Excess tax benefit from exercise of stock options	(649)		(425)
Provision for doubtful accounts	270		132
Deferred income taxes	(10,577)		(10,030)
Other non-cash items affecting net income	(872)		2,237
Changes in operating assets and liabilities:
Accounts receivable	(47,948)		4,103
Inventories	(754)		876
Prepaid expenses and other assets	2,901		(1,128)
Accounts payable and accrued liabilities	(2,142)		(12,721)
Income taxes, net	4,422		14,108
Deferred revenue	(1,989)		836
Other non-current liabilities	1,428		2,087
Net cash provided by operating activities	122,828		214,669
Investing activities:
Purchases of available-for-sale securities	(322,997)		(122,249)
Proceeds from sales of available-for-sale securities	467,105		105,454
Proceeds from maturities available-for-sale securities	64,950		111,515
Purchases of property, plant and equipment	(12,164)		(30,450)
Acquisitions, net of cash acquired	0		(575)
Other investments	(3,000)		0
Purchases of intangible assets	(4,050)		0
Proceeds from sales of property, plant and equipment and assets held for sale	376		715
Net cash provided by investing activities	190,220		64,410
Financing activities:
Proceeds from issuance of common stock	7,202		6,631
Repurchase of common stock	(65,433)	[2]	(86,149)
Payment of cash dividend	(408,206)		0
Distribution to controlling interest	(5,039)		0
Excess tax benefit from exercise of stock options	649		425
Shares repurchased for tax withholdings on vesting of restricted stock	(5,132)		(3,107)
Net cash used in financing activities	(475,959)		(82,200)
Effect of foreign exchange rate changes on cash and cash equivalents	(1,181)		(403)
Net increase / (decrease) in cash and cash equivalents	(164,092)		196,476
Cash and cash equivalents at beginning of period	492,600		551,512
Cash and cash equivalents at end of period	328,508		747,988
Supplemental disclosure:
Cash paid for income taxes	47,033		59,997
Cash paid for interest	$ 54		$ 4

[1] We also recognize a tax benefit from certain exercises of incentive stock options and shares issued under our ESPP which are not included in the table above. This benefit was not greater than $0.1 million in both the second quarter of fiscal 2013 and fiscal 2012, and $0.1 million in both the fiscal year-to-date period ended March 29, 2013 and March 30, 2012.

[2] Cost of share repurchases includes the price paid per share and applicable commissions.