Fair Value Measurements Private Company Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 27, 2021	Mar. 28, 2020	Mar. 27, 2021	Mar. 28, 2020
Investments, Debt and Equity Securities [Abstract]
Cost Method Investments	$ 27,500	$ 20,600	$ 27,500	$ 20,600
Accumulated gains or losses on private company investments	1,800	(4,300)	1,800	(4,300)
Unrealized Gain (Loss) on Investments	$ 100	$ (400)	$ 5,600	$ 200