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Commitments and Contingencies - Rent Expense Related to Operating Leases (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 28, 2018
Jun. 29, 2017
Jun. 30, 2016
Commitments and Contingencies Disclosure [Abstract]      
Rent expense related to operating leases $ 1,988 $ 1,880 $ 1,775