Interest and Other Income (Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Interest Expense	$ (38,000)	$ (43,500)	$ (50,200)
Interest Expense, Other	35,797	43,543	50,215
Interest Income, Other	30,220	47,844	38,292
Other Income (Expense), Net	(2,721)	3,022	3,360
Other Nonoperating Income (Expense)	(8,298)	7,323	(8,563)
Interest expense relating to the Notes	35,600	41,400	49,500
Amortization of Debt Discount (Premium)	$ 1,400	$ 2,000	$ 2,900