Fair Value of Financial Instruments (Details) $ in Thousands	3 Months Ended
	Oct. 02, 2020 USD ($)
Assets:
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ (43)
Fair Value, Measurements, Recurring | Level 1
Assets:
Fair value measurement disclosure	1,964
Fair Value, Measurements, Recurring | Level 1 | U.S. equity securities
Assets:
Fair value measurement disclosure	1,964
Fair Value, Measurements, Recurring | Level 2
Assets:
Fair value measurement disclosure	0
Fair Value, Measurements, Recurring | Level 2 | U.S. equity securities
Assets:
Fair value measurement disclosure	0
Fair Value, Measurements, Recurring | Level 3
Assets:
Fair value measurement disclosure	0
Fair Value, Measurements, Recurring | Level 3 | U.S. equity securities
Assets:
Fair value measurement disclosure	0
Fair Value | Fair Value, Measurements, Recurring
Assets:
Fair value measurement disclosure	1,964
Fair Value | Fair Value, Measurements, Recurring | U.S. equity securities
Assets:
Fair value measurement disclosure	$ 1,964