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Income Taxes - Reconciliations of Income Taxes at Statutory Federal Income Tax Rate (Detail)
12 Months Ended
Jun. 30, 2016
Jun. 25, 2015
Jun. 26, 2014
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 35.00% 35.00% 35.00%
State income taxes, net of federal benefit 3.20% 3.40% 3.30%
Research and development tax credit (0.10%) (0.10%) (0.10%)
Domestic manufacturing deduction (3.20%) (3.40%) (2.70%)
Change in valuation allowance 0.00% 0.00% (1.40%)
Uncertain tax positions (0.60%) 0.30% 0.30%
Other 0.30% (0.50%) (0.40%)
Effective tax rate 34.60% 34.70% 34.00%