Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 25, 2017
Cash flows from operating activities:
Net income	$ 89,991	$ 161,995	$ 261,209
Adjustments to net cash provided by operating activities:
Depreciation and amortization	79,826	81,399	63,433
Stock-based compensation expense	49,689	48,741	39,593
Deferred income taxes	1,717	11,646	10,885
(Gain) loss on retirement or write-off of long-lived assets	(2,713)	626	10,387
Charges (payments) for defined benefit pension plan	11,189	(10,929)	116
Other non-cash charges	429	(3,864)	8,980
Net change in operating assets and liabilities:
Accounts receivable, net	(14,316)	19,173	(31,442)
Inventories	40,636	(37,865)	(25,880)
Other assets	965	16,824	575
Accounts payable	(21,965)	143	1,772
Accrued salaries and benefits	(6,432)	(4,469)	18,951
Income taxes payable	(7,974)	22,983	10,969
Other accrued liabilities	(14,348)	12,308	203
Net cash provided by operating activities	206,694	318,711	369,751
Cash flows from investing activities:
Maturities and sales of available-for-sale marketable securities	70,840	138,221	212,863
Purchases of available-for-sale marketable securities	(98,864)	(238,434)	(231,432)
Purchases of property, equipment and software	(31,615)	(55,180)	(41,849)
Investments in technology	(4,143)	(29,323)	(9,447)
Proceeds from the sale of assets	9,120	0	0
Net cash used in investing activities	(54,662)	(184,716)	(69,865)
Cash flows from financing activities:
Principal payments on long-term revolver	0	(60,000)	(100,439)
Debt issuance costs	0	0	(2,152)
Payments on capital lease agreements	0	0	(699)
Issuance of common stock, net of shares withheld for taxes	1,616	4,417	16,518
Repurchase of stock to satisfy employee tax withholding obligations	(13,083)	(17,806)	(14,089)
Repurchase and retirement of common stock	(159,997)	(175,776)	(15,439)
Contingent consideration payments	0	(392)	(1,213)
Net cash used in financing activities	(171,464)	(249,557)	(117,513)
Net (decrease) increase in cash and cash equivalents	(19,432)	(115,562)	182,373
Cash and cash equivalents at beginning of period	235,604	351,166	168,793
Cash and cash equivalents at end of period	216,172	235,604	351,166
Cash payments during the year for:
Income taxes	20,617	34,385	8,001
Interest	$ 612	$ 835	$ 2,947