MARKETABLE SECURITIES - Available-For-Sale Marketable Securities (Details) - USD ($)	3 Months Ended
	Sep. 26, 2020	Oct. 02, 2021	Jul. 03, 2021
Marketable Securities [Line Items]
Amortized Cost Basis		$ 124,989,000	$ 124,099,000
Gross Unrealized Gains		5,713,000	6,047,000
Gross Unrealized Losses		(514,000)	(456,000)
Fair Value		130,188,000	129,690,000
Realized gain (loss)	$ 0
Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value		6,024,000	11,570,000
Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value		124,164,000	118,120,000
Corporate bonds
Marketable Securities [Line Items]
Amortized Cost Basis		94,706,000	92,547,000
Gross Unrealized Gains		2,311,000	2,491,000
Gross Unrealized Losses		(509,000)	(456,000)
Fair Value		96,508,000	94,582,000
Corporate bonds | Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value		6,024,000	11,570,000
Corporate bonds | Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value		90,484,000	83,012,000
Government bonds
Marketable Securities [Line Items]
Amortized Cost Basis		30,283,000	31,552,000
Gross Unrealized Gains		3,402,000	3,556,000
Gross Unrealized Losses		(5,000)	0
Fair Value		33,680,000	35,108,000
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		$ 33,680,000	$ 35,108,000