Income Taxes - Difference Between Income Taxes Computed at the Federal Statutory Tax Rate and the Provision for Income Taxes (Details)	12 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Dec. 31, 2017
Difference between income taxes computed at the Federal statutory tax rate and the provision for income taxes
U.S. statutory rate	21.00%	21.00%	35.00%
State taxes, net of Federal tax benefit	2.10%	3.70%
Foreign subsidiaries	(5.80%)	(1.80%)
U.S. tax reform: transition tax		2.70%
Federal net operating loss carry-back statutory rate differential	11.70%
Global intangible low-taxed income	(4.40%)	(0.70%)
Research and development tax credit	9.90%	9.40%
Non-controlling interest	(2.30%)	6.70%
Uncertain tax positions	(4.00%)	(2.30%)
Stock based compensation	(1.80%)	(0.70%)
Other	1.50%	(0.10%)
Total	27.90%	37.90%