Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 26, 2020	Sep. 28, 2019
Cash flows from operating activities:
Net income	$ 77,695	$ 80,828
Adjustments to reconcile net income to net cash generated by operating activities:
Depreciation and amortization	23,845	37,911
Stock-based compensation expense	28,782	25,540
Deferred income taxes	(1,221)	(1,919)
Loss on retirement or write-off of long-lived assets	11	5
Other non-cash adjustments	124	453
MEMS restructuring charges	352	0
Net change in operating assets and liabilities:
Accounts receivable, net	(27,498)	(97,305)
Inventories	(62,325)	19,904
Other assets	(4,630)	(6,816)
Accounts payable and other accrued liabilities	19,351	61,525
Income taxes payable	(12,348)	(2,291)
Net cash generated by operating activities	42,138	117,835
Cash flows from investing activities:
Maturities and sales of available-for-sale marketable securities	73,458	90,922
Purchases of available-for-sale marketable securities	(124,016)	(121,100)
Purchases of property, equipment and software	(6,967)	(9,333)
Investments in technology	(1,189)	(4,730)
Net cash used in investing activities	(58,714)	(44,241)
Cash flows from financing activities:
Issuance of common stock, net of shares withheld for taxes	3,267	3,374
Repurchase of stock to satisfy employee tax withholding obligations	(1,273)	(1,202)
Repurchase and retirement of common stock	(30,001)	(70,001)
Net cash used in financing activities	(28,007)	(67,829)
Net increase (decrease) in cash and cash equivalents	(44,583)	5,765
Cash and cash equivalents at beginning of period	292,119	216,172
Cash and cash equivalents at end of period	$ 247,536	$ 221,937