CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Apr. 03, 2016	Mar. 29, 2015	Mar. 30, 2014
Cash flows provided by operating activities:
Net income	$ 194,737	$ 93,909	$ 88,364
Adjustments:
Depreciation	18,346	18,808	20,872
Amortization of intangible assets	15,354	6,573	24,793
Amortization of debt issuance cost and debt discount	5,354	0	0
Asset impairment	0	8,471	7,230
Gain on sale of property, plant and equipment	(325)	0	0
Gain from divestitures	0	(16,840)	(78,632)
Stock-based compensation expense, net of amounts capitalized in inventory	34,125	22,259	13,352
Deferred tax benefit	(67,277)	(293)	(8)
Excess tax benefit from stock-based payment arrangements	(4,475)	0	0
Changes in assets and liabilities (net of amounts acquired):
Accounts receivable, net	(1,640)	5,286	(6,821)
Inventories	11,719	4,412	2,935
Prepayments and other assets	2,705	(2,337)	4,348
Accounts payable	6,527	2,314	(144)
Accrued compensation and related expenses	(13,312)	19,306	1,847
Deferred income on shipments to distributors	(8,688)	1,688	(533)
Income taxes payable and receivable	4,463	90	(888)
Other accrued liabilities and long-term liabilities	(5,011)	8,126	(1,086)
Net cash provided by operating activities	192,602	171,772	75,629
Cash flows used for investing activities:
Acquisitions, net of cash acquired	(279,138)	0	0
Cash in escrow related to acquisitions	2,700	1,026	6,000
Proceeds from divestitures	0	15,300	96,299
Purchases of property, plant and equipment, net	(16,286)	(17,765)	(17,448)
Purchase of intangible assets	(10,800)	0	0
Purchases of non-marketable equity securities	(6,020)	(4,000)	0
Purchases of short-term investments	(364,029)	(285,817)	(463,283)
Proceeds from sales of short-term investments	551,289	119,070	231,890
Proceeds from maturities of short-term investments	96,771	90,344	34,422
Net cash used for investing activities	(25,513)	(81,842)	(112,120)
Cash flows used for financing activities:
Proceeds from issuance of common stock	19,722	21,067	46,066
Repurchase of common stock	(422,262)	(79,245)	(44,005)
Proceeds from issuance of senior convertible notes, net of issuance costs	363,445	0	0
Purchase of convertible note hedge	(94,185)	0	0
Proceeds from issuance of warrants	56,847	0	0
Payment of acquisition related contingent consideration	0	(1,600)	(5,130)
Payment of capital lease obligations	(221)	0	0
Repayment of loans	(9,437)	0	0
Excess tax benefit from stock-based payment arrangements	4,475	0	0
Net cash used for financing activities	(81,616)	(59,778)	(3,069)
Effect of exchange rates on cash and cash equivalents	813	(4,418)	(66)
Net increase (decrease) in cash and cash equivalents	86,286	25,734	(39,626)
Cash and cash equivalents at beginning of period	116,945	91,211	130,837
Cash and cash equivalents at end of period	203,231	116,945	91,211
Cash paid for:
Interest	67	27	21
Fees on Prepayments of Loans	259	0	0
Income taxes, net of refunds	996	1,840	1,848
Non-cash investing activities:
Additions to property, plant and equipment included in accounts payable	1,389	473	223
Additions to Intangible Assets Included in Other Long-Term Liabilities	600	0	0
Conversion of a cost method investment in convertible notes to ordinary shares of stock	$ (2,020)	$ 0	$ 0