Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Oct. 01, 2011		Oct. 02, 2010
Cash flows from operating activities:
Net income	$ 280,660		$ 329,482
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	27,094		24,938
Amortization	8,036		3,686
Stock-based compensation	30,666		30,541
Net gain on sale of available-for-sale securities	(1,071)		(4,198)
Amortization of debt discount on convertible debentures	7,732		6,266
Derivatives - revaluation and amortization	1,091		375
Tax benefit from exercise of stock options	6,531		647
Excess tax benefit from stock-based compensation	(7,928)		(2,079)
Changes in assets and liabilities:
Accounts receivable, net	70,048		(294,031)
Inventories	17,271		(39,536)
Deferred income taxes	30,034		62,015
Prepaid expenses and other current assets	(7,659)		(9,266)
Other assets	9,362		6,129
Accounts payable	(15,067)		34,839
Accrued liabilities (including restructuring activities)	280		(4,218)
Income taxes payable	7,457		(12,408)
Deferred income on shipments to distributors	(27,259)		13,476
Net cash provided by operating activities	437,278		146,658
Cash flows from investing activities:
Purchases of available-for-sale securities	(2,287,016)		(1,307,889)
Proceeds from sale and maturity of available-for-sale securities	1,514,431		920,628
Purchases of property, plant and equipment	(31,417)		(33,444)
Other investing activities	(34,507)		(1,000)
Net cash used in investing activities	(838,509)		(421,705)
Cash flows from financing activities:
Repurchases of common stock	(177,191)		(466,309)
Proceeds from issuance of common stock through various stock plans	51,891		45,554
Payment of dividends to stockholders	(100,804)		(85,462)
Proceeds from issuance of convertible debts, net of issuance costs	0		587,644
Purchase of call options	0		(112,319)
Proceeds from issuance of warrants	0		46,908
Excess tax benefit from stock-based compensation	7,928		2,079
Net cash provided by (used in) financing activities	(218,176)		18,095
Net decrease in cash and cash equivalents	(619,407)		(256,952)
Cash and cash equivalents at beginning of period	1,222,359	[1]	1,031,457
Cash and cash equivalents at end of period	602,952		774,505
Supplemental disclosure of cash flow information:
Interest paid	18,651		10,914
Income taxes paid, net of refunds	$ 3,807		$ 36,055

[1] Derived from audited financial statements