Balance Sheet Components (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Jun. 29, 2019
Inventories:
Raw materials	$ 13,222	$ 16,121
Work-in-process	142,551	160,273
Finished goods	68,185	70,118
Inventory, net	223,958	246,512
Property, plant and equipment:
Land	17,720	17,720
Buildings and building improvements	306,052	265,191
Machinery and equipment	1,338,349	1,367,606
Property, plant and equipment, gross	1,662,121	1,650,517
Less: accumulated depreciation and amortization	(1,090,762)	(1,072,795)
Property, plant and equipment, net	571,359	577,722
Employee-related Liabilities, Current [Abstract]
Accrued Vacation	31,223	30,251
Accrued Bonuses	35,182	71,466
Accrued Salaries	8,886	8,329
Accrued Employee Benefits	6,397	4,807
Other	13,051	3,851
Accrued salary and related expenses	$ 94,739	$ 118,704