Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Jan. 02, 2016	Dec. 27, 2014
Cash flows from operating activities:
Net income		$ 405,833	$ 513,593
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		38,768	40,857
Amortization		13,149	15,556
Stock-based compensation		84,464	79,900
Net gain on sale of available-for-sale securities		(599)	(5,508)
Amortization of debt discounts		9,033	9,014
Provision for deferred income taxes		49,435	19,712
Excess tax benefit from stock-based compensation		(12,326)	(16,669)
Changes in assets and liabilities:
Accounts receivable, net		43,439	80,337
Inventories		35,050	(12,299)
Prepaid expenses and other current assets		(148)	(11,703)
Other assets		(3,291)	(322)
Accounts payable		(5,511)	(91,464)
Accrued liabilities		4,909	1,640
Income taxes payable		(35,982)	5,710
Deferred income on shipments to distributors		(19,055)	(3,613)
Net cash provided by operating activities		607,168	624,741
Cash flows from investing activities:
Purchases of available-for-sale securities		(2,253,840)	(2,112,128)
Proceeds from sale and maturity of available-for-sale securities		2,183,296	2,646,410
Purchases of property, plant and equipment		(19,169)	(23,682)
Other investing activities		(5,700)	(7,440)
Net cash provided by (used in) investing activities		(95,413)	503,160
Cash flows from financing activities:
Repurchases of common stock		(299,998)	(476,012)
Proceeds from issuance of common stock through various stock plans, net		21,720	19,338
Payment of dividends to stockholders		(240,111)	(230,550)
Excess tax benefit from stock-based compensation		12,326	16,669
Net cash used in financing activities		(506,063)	(670,555)
Net increase in cash and cash equivalents		5,692	457,346
Cash and cash equivalents at beginning of period	[1]	892,572	973,677
Cash and cash equivalents at end of period		898,264	1,431,023
Supplemental disclosure of cash flow information:
Interest paid		28,563	28,776
Income taxes paid, net		$ 47,562	$ 41,252

[1] Derived from audited financial statements