Marketable Securities (Details) - USD ($) $ in Thousands	9 Months Ended
Mar. 28, 2020	Jun. 29, 2019
Marketable Securities [Line Items]
Amortized Cost Basis	$ 110,460	$ 116,440
Gross Unrealized Gains	4,655	3,579
Gross Unrealized Losses	(359)	0
Fair Value	$ 114,756	120,019
Minimum
Marketable Securities [Line Items]
Debt securities maturities	1 year
Maximum
Marketable Securities [Line Items]
Debt securities maturities	10 years
Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	$ 11,976	12,006
Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	102,780	108,013
Corporate bonds
Marketable Securities [Line Items]
Amortized Cost Basis	81,760	87,540
Gross Unrealized Gains	885	1,734
Gross Unrealized Losses	(359)	0
Fair Value	82,286	89,274
Corporate bonds \| Short-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	11,976	12,006
Corporate bonds \| Long-Term Marketable Securities
Marketable Securities [Line Items]
Fair Value	70,310	77,268
Government bonds
Marketable Securities [Line Items]
Amortized Cost Basis	28,700	28,900
Gross Unrealized Gains	3,770	1,845
Gross Unrealized Losses	0	0
Fair Value	32,470	30,745
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	$ 32,470	$ 30,745

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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