XML 96 R81.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Reconciliations of Income Taxes at Statutory Federal Income Tax Rate (Detail)
12 Months Ended
Jun. 25, 2020
Jun. 27, 2019
Jun. 28, 2018
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 21.00% 21.00% 28.10%
State income taxes, net of federal benefit 4.20% 3.10% 3.10%
Impact of Tax Reform     6.30%
Section 162(m) Limitation 1.20% 1.10%  
Research and development tax credit (0.30%) (0.30%) (0.20%)
Domestic manufacturing deduction     (2.20%)
Windfall tax benefits (0.40%) (0.20%) (1.00%)
Uncertain tax positions 0.00% 0.10% 0.10%
Other (0.10%) (0.10%) (0.10%)
Effective tax rate 25.60% 24.70% 34.10%