Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Cash flows from operating activities:
Net income	$ 622,512	$ 550,867	$ 648,216
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	45,423	50,828	55,266
Amortization	17,203	17,613	19,648
Stock-based compensation	122,858	111,984	99,859
Net gain on sale of available-for-sale securities	(3,532)	(370)	(11,878)
Amortization of debt discount on convertible debentures	11,692	12,048	12,022
Provision for deferred income taxes	67,482	44,128	17,802
Others	1,698	2,000	122
Changes in assets and liabilities:
Accounts receivable, net	63,543	(60,843)	21,219
Inventories	(48,244)	52,323	2,664
Prepaid expenses and other current assets	(1,000)	(1,261)	(13,118)
Other assets	(20,557)	(11,945)	(531)
Accounts payable	10,983	21,422	(69,583)
Accrued liabilities (including restructuring activities)	33,788	(16,592)	1,795
Income taxes payable	7,473	(11,635)	15,967
Deferred income on shipments to distributors	2,809	(14,312)	10,972
Net cash provided by operating activities	934,131	746,255	810,442
Cash flows from investing activities:
Purchases of available-for-sale securities	(2,817,197)	(3,262,324)	(3,742,742)
Proceeds from sale and maturity of available-for-sale securities	3,404,577	2,882,342	3,756,021
Purchases of property, plant and equipment	(72,051)	(34,004)	(29,619)
Other investing activities	(21,379)	(9,950)	29,296
Net cash provided by (used in) investing activities	493,950	(423,936)	12,956
Cash flows from financing activities:
Repayment of convertible debt	(142,082)	0	0
Other financing activities	(1,325)	0	0
Repurchases of common stock	522,045	443,181	651,006
Restricted stock units withholdings	(35,392)	(34,671)	(38,298)
Proceeds from issuance of common stock through various stock plans	68,184	85,765	90,959
Payment of dividends to stockholders	(332,542)	(318,988)	(306,158)
Net cash used in financing activities	(965,202)	(711,075)	(904,503)
Net increase (decrease) in cash and cash equivalents	462,879	(388,756)	(81,105)
Cash and cash equivalents at beginning of period	503,816	892,572
Cash and cash equivalents at end of period	966,695	503,816	892,572
Supplemental disclosure of cash flow information:
Interest paid	41,375	41,375	41,589
Income taxes paid (refunded), net	$ (6,341)	$ 53,425	$ 57,896