CASH, CASH EQUIVALENTS AND INVESTMENTS (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Mar. 30, 2019
Schedule of Cash, Cash Equivalents and Investments [Line Items]
Cash and cash equivalents	$ 213,879	$ 202,509
Short-term investments (due in 1 year or less)	11,841	13,332
Total cash, cash equivalents and investments measured at fair value, amortized cost	226,817	215,929
Total cash, cash equivalents and investments measured at fair value, gross unrealized gain	31	197
Total cash, cash equivalents and investments measured at fair value, gross unrealized loss	(1,128)	(285)
Total cash, cash equivalents and investments measured at fair value, fair value	225,720	215,841
Cash
Schedule of Cash, Cash Equivalents and Investments [Line Items]
Cash and cash equivalents	213,879	202,509
Mutual Funds \| Level 1
Schedule of Cash, Cash Equivalents and Investments [Line Items]
Cash and cash equivalents	0	0
Short-term investments (due in 1 year or less)	11,841	13,332
Debt Securities, Available-for-sale, Amortized Cost	12,938	13,420
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	31	197
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	(1,128)	(285)
Debt Securities, Available-for-sale	$ 11,841	$ 13,332

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