CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Sep. 27, 2015	Sep. 28, 2014
Cash flows from operating activities:
Net income	$ 80,581	$ 36,285
Adjustments:
Depreciation	8,648	10,364
Amortization of intangible assets	2,451	4,225
Impairment of assets held for sale	0	8,471
Gain from divestiture	0	(16,840)
Gain on sale of property, plant and equipment	(325)	0
Stock-based compensation expense, net of amounts capitalized in inventory	16,416	10,665
Deferred tax provision	334	94
Tax benefit from share-based payment arrangements	(115)	0
Changes in assets and liabilities:
Accounts receivable, net	245	(8,533)
Inventories	1,400	12,158
Prepayments and other assets	2,353	1,701
Accounts payable	3,525	1,180
Accrued compensation and related expenses	(16,156)	4,113
Deferred income on shipments to distributors	(4,218)	1,491
Income taxes payable and receivable	179	(109)
Other accrued liabilities and long-term liabilities	(4,833)	4,467
Net cash provided by operating activities	90,485	69,732
Cash flows from investing activities:
Cash in escrow related to acquisitions	0	1,026
Proceeds from divestitures	0	15,300
Purchases of property, plant and equipment, net	(8,090)	(8,748)
Purchases of intangible assets	(9,900)	0
Purchases of short-term investments	(189,213)	(111,100)
Proceeds from sales of short-term investments	109,885	56,883
Proceeds from maturities of short-term investments	48,774	32,295
Net cash used in investing activities	(48,544)	(14,344)
Cash flows from financing activities:
Proceeds from issuance of common stock	9,744	10,432
Repurchase of common stock	(77,025)	(49,152)
Payment of acquisition related contingent consideration	0	(1,600)
Excess tax benefit from share-based payment arrangements	115	0
Net cash used in financing activities	(67,166)	(40,320)
Effect of exchange rates on cash and cash equivalents	(163)	(1,259)
Net (decrease) increase in cash and cash equivalents	(25,388)	13,809
Cash and cash equivalents at beginning of period	116,945	91,211
Cash and cash equivalents at end of period	$ 91,557	$ 105,020