Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 28, 2019	Sep. 29, 2018
Cash flows from operating activities:
Net income	$ 80,828	$ 53,901
Adjustments to reconcile net income to net cash generated by operating activities:
Depreciation and amortization	37,911	45,296
Stock-based compensation expense	25,540	25,925
Deferred income taxes	(1,919)	(1,497)
Loss on retirement or write-off of long-lived assets	5	883
Other non-cash adjustments	453	216
Net change in operating assets and liabilities:
Accounts receivable, net	(97,305)	(100,448)
Inventories	19,904	63,054
Other assets	(6,816)	(4,001)
Accounts payable and other accrued liabilities	61,525	(516)
Income taxes payable	(2,291)	(3,863)
Net cash generated by operating activities	117,835	78,950
Cash flows from investing activities:
Maturities and sales of available-for-sale marketable securities	90,922	30,295
Purchases of available-for-sale marketable securities	(121,100)	(31,118)
Purchases of property, equipment and software	(9,333)	(18,842)
Investments in technology	(4,730)	(2,248)
Net cash used in investing activities	(44,241)	(21,913)
Cash flows from financing activities:
Issuance of common stock, net of shares withheld for taxes	3,374	228
Repurchase of stock to satisfy employee tax withholding obligations	(1,202)	(2,015)
Repurchase and retirement of common stock	(70,001)	(94,997)
Net cash used in financing activities	(67,829)	(96,784)
Net increase (decrease) in cash and cash equivalents	5,765	(39,747)
Cash and cash equivalents at beginning of period	216,172	235,604
Cash and cash equivalents at end of period	$ 221,937	$ 195,857