Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	3 Months Ended
	Jul. 02, 2011		Jul. 03, 2010
Cash flows from operating activities:
Net income	$ 154,374		$ 158,587
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,698		12,191
Amortization	3,710		1,743
Stock-based compensation	13,767		15,120
Net gain on sale of available-for-sale securities	(334)		(548)
Amortization of debt discount on convertible debentures	3,856		2,063
Derivatives - revaluation and amortization	(358)		484
Tax benefit from exercise of stock options	5,301		188
Excess tax benefit from stock-based compensation	(6,029)		(1,021)
Changes in assets and liabilities:
Accounts receivable, net	41,781		(92,671)
Inventories	14,484		(20,966)
Deferred income taxes	16,020		29,159
Prepaid expenses and other current assets	(7,746)		(41,291)
Other assets	(3,204)		35,929
Accounts payable	(12,843)		26,193
Accrued liabilities	4,677		(10,646)
Income taxes payable	4,178		(3,547)
Deferred income on shipments to distributors	(7,638)		(5,925)
Net cash provided by operating activities	237,694		105,042
Cash flows from investing activities:
Purchases of available-for-sale securities	(1,014,822)		(583,707)
Proceeds from sale and maturity of available-for-sale securities	644,444		327,664
Purchases of property, plant and equipment	(13,789)		(18,267)
Other investing activities	(29,989)		(1,000)
Net cash used in investing activities	(414,156)		(275,310)
Cash flows from financing activities:
Repurchases of common stock	(65,654)		(433,333)
Proceeds from issuance of common stock through various stock plans	25,421		4,796
Payment of dividends to stockholders	(50,456)		(43,817)
Proceeds from issuance of convertible debts, net of issuance costs	0		588,000
Purchase of call options	0		(112,319)
Proceeds from issuance of warrants	0		46,908
Excess tax benefit from stock-based compensation	6,029		1,021
Net cash provided by (used in) financing activities	(84,660)		51,256
Net decrease in cash and cash equivalents	(261,122)		(119,012)
Cash and cash equivalents at beginning of period	1,222,359	[1]	1,031,457
Cash and cash equivalents at end of period	961,237		912,445
Supplemental disclosure of cash flow information:
Interest paid	7,875		0
Income taxes paid, net of refunds	$ 1,618		$ 18,796

[1] Derived from audited financial statements