Balance Sheet Components (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Jun. 29, 2019
Inventories:
Raw materials	$ 17,085	$ 16,121
Work-in-process	148,350	160,273
Finished goods	70,524	70,118
Inventory, net	235,959	246,512
Property, plant and equipment:
Land	17,720	17,720
Buildings and building improvements	287,437	265,191
Machinery and equipment	1,360,956	1,367,606
Property, plant and equipment, gross	1,666,113	1,650,517
Less: accumulated depreciation and amortization	(1,092,016)	(1,072,795)
Property, plant and equipment, net	574,097	577,722
Employee-related Liabilities, Current [Abstract]
Accrued Vacation	29,958	30,251
Accrued Bonuses	20,078	71,466
Accrued Salaries	16,209	8,329
Accrued Employee Benefits	5,222	4,807
Other	24,701	3,851
Accrued salary and related expenses	$ 96,168	$ 118,704