CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jan. 01, 2017	Jan. 03, 2016
Cash flows from operating activities:
Net income	$ 80,273	$ 113,126
Adjustments:
Depreciation	14,940	13,056
Amortization of intangible assets	18,313	5,628
Amortization of debt issuance costs and debt discount	9,928	2,164
Assets impairment	2,180	0
Net gain from divestitures	(675)	0
Gain on sale of property, plant and equipment	0	(325)
Stock-based compensation expense, net of amounts capitalized in inventory	29,602	25,878
Deferred income tax and deferred tax charge	(7,297)	(4,147)
Accounts receivable, net	(8,596)	8,319
Inventories	8,167	10,446
Prepayments and other assets	201	4,532
Accounts payable	2,092	(2,832)
Accrued compensation and related expenses	(21,535)	(5,427)
Deferred income on shipments to distributors	(1,467)	(7,171)
Income taxes payable and receivable	121	(70)
Other accrued liabilities and long-term liabilities	8,240	(4,079)
Net cash provided by operating activities	134,487	159,098
Cash flows from investing activities:
Acquisitions, net of cash acquired	(1,528)	(279,138)
Cash in escrow related to acquisitions	0	2,700
Net proceeds from divestitures	231	0
Investment in convertible note	(1,955)	(2,020)
Purchases of property, plant and equipment, net	(21,388)	(12,541)
Purchases of intangible assets	(4,896)	(10,800)
Purchases of short-term investments	(256,163)	(313,246)
Proceeds from sales of short-term investments	105,529	466,890
Proceeds from maturities of short-term investments	22,776	80,695
Net cash used in investing activities	(157,394)	(67,460)
Cash flows from financing activities:
Proceeds from issuance of common stock	14,082	16,516
Prepayments for purchase of treasury stock	0	(45,000)
Proceeds from issuance of senior convertible notes, net of issuance costs	0	363,445
Purchase of convertible note hedge	0	(94,185)
Proceeds from issuance of warrants	0	56,847
Repurchase of common stock	(73,481)	(344,216)
Repayment of loans	0	(9,195)
Payment of capital lease obligations	(1,183)	0
Net cash used in financing activities	(60,582)	(55,788)
Effect of exchange rates on cash and cash equivalents	(2,417)	197
Net increase (decrease) in cash and cash equivalents	(85,906)	36,047
Cash and cash equivalents at beginning of period	203,231	116,945
Cash and cash equivalents at end of period	117,325	152,992
Noncash investing activities:
Additions to property, plant and equipment included in accounts payable	3,030	321
Conversion of investment in convertible note to ordinary shares of stock	$ (1,955)	$ (2,020)