Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 24, 2018	Jun. 25, 2017
Components Of Deferred Tax Assets And Liabilities [Abstract]
Investments, including unconsolidated affiliates	$ 5,680	$ 5,429
Intangible assets	1,679	2,141
Accrued compensation and benefits	1,761	2,089
Tax credits	17,237	5,845
NOL carryforwards	4,381	10,008
Research and development costs	4,081
Other items	5,555	4,847
Total gross deferred tax assets	40,374	30,359
Valuation allowance	(26,020)	(15,143)	$ (17,957)
Net deferred tax assets	14,354	15,216
PP&E	(18,325)	(19,375)
Other	(295)	(216)
Total deferred tax liabilities	(18,620)	(19,591)
Net deferred tax liabilities	$ (4,266)	$ (4,375)