Income Taxes - Reconciliation from Federal Statutory Tax Rate to Effective Tax Rate (Details)	6 Months Ended	12 Months Ended
	Dec. 31, 2017	Jun. 30, 2019	Jun. 24, 2018	Jun. 25, 2017
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract]
Federal statutory tax rate	35.00%	21.00%	28.30%	35.00%
Foreign income taxed at different rates		16.10%	(2.40%)	(10.20%)
Repatriation of foreign earnings and withholding taxes		20.30%	1.80%	1.40%
Repatriation of foreign earnings due to tax reform		0.70%	23.90%
Revaluation of U.S. deferred balances due to tax reform		3.10%	(14.20%)
U.S. tax on GILTI		32.50%
Change in valuation allowance		(1.50%)	(12.90%)	(0.50%)
Foreign tax credits		(11.90%)	(11.00%)
Domestic production activities deduction		(5.60%)	0.50%	2.00%
Research and other credits		(7.70%)	(1.80%)	(5.10%)
State income taxes, net of federal tax benefit		(0.60%)	(3.90%)	0.20%
Change in uncertain tax positions		8.20%	(15.10%)	1.80%
Nondeductible compensation		5.10%	1.60%
Nontaxable income		(4.20%)
Nondeductible expenses and other			0.30%	0.60%
Effective tax rate		75.50%	(4.90%)	25.20%