MARKETABLE SECURITIES (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Jun. 27, 2020
Marketable Securities [Line Items]
Amortized Cost Basis	$ 124,099	$ 107,284
Gross Unrealized Gains	6,047	8,983
Gross Unrealized Losses	(456)	0
Fair Value	129,690	116,267
Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	11,570	18,233
Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	118,120	98,034
Corporate bonds
Marketable Securities [Line Items]
Amortized Cost Basis	92,547	78,651
Gross Unrealized Gains	2,491	4,064
Gross Unrealized Losses	(456)	0
Fair Value	94,582	82,715
Corporate bonds | Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	11,570	18,233
Corporate bonds | Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	83,012	64,482
Government bonds
Marketable Securities [Line Items]
Amortized Cost Basis	31,552	28,633
Gross Unrealized Gains	3,556	4,919
Gross Unrealized Losses	0	0
Fair Value	35,108	33,552
Government bonds | Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	0	0
Government bonds | Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	$ 35,108	$ 33,552