Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014		Jun. 29, 2013
Cash flows from operating activities:
Net income	$ 173,611		$ 157,023
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	13,468		14,033
Amortization	5,205		4,885
Stock-based compensation	22,106		20,954
Net gain on sale of available-for-sale securities	(670)		(107)
Amortization of debt discounts	3,003		4,025
Provision for deferred income taxes	5,789		22,736
Excess tax benefit from stock-based compensation	(2,660)		(2,021)
Others	0		53
Changes in assets and liabilities:
Accounts receivable, net	(13,501)		(38,978)
Inventories	(22,879)		14,373
Prepaid expenses and other current assets	(4,751)		(1,050)
Other assets	(5,188)		(5,020)
Accounts payable	(50,123)		(3,525)
Accrued liabilities	(12,389)		11,209
Income taxes payable	4,939		(58,961)
Deferred income on shipments to distributors	14,159		4,580
Net cash provided by operating activities	130,119		144,209
Cash flows from investing activities:
Purchases of available-for-sale securities	(874,367)		(1,213,461)
Proceeds from sale and maturity of available-for-sale securities	570,043		961,538
Purchases of property, plant and equipment	(9,116)		(11,301)
Other investing activities	(3,742)		36,921
Net cash used in investing activities	(317,182)		(226,303)
Cash flows from financing activities:
Payments for Repurchase of Common Stock	101,016		0
Proceeds from issuance of common stock through various stock plans, net	14,195		31,936
Payment of dividends to stockholders	(77,421)		(66,007)
Excess tax benefit from stock-based compensation	2,660		2,021
Net cash used in financing activities	(161,582)		(32,050)
Net decrease in cash and cash equivalents	(348,645)		(114,144)
Cash and cash equivalents at beginning of period	973,677	[1]	623,558
Cash and cash equivalents at end of period	625,032		509,414
Supplemental disclosure of cash flow information:
Interest paid	7,875		7,875
Income taxes paid, net	$ 15,856		$ 62,236

[1] Derived from audited financial statements