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Stock-Based Compensation Plans - Summary of Total Intrinsic Value of All Options Exercised and Total Cash Received from Exercise of Options (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 28, 2018
Jun. 29, 2017
Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Total intrinsic value of options exercised $ 79 $ 374 $ 792
Total cash received from exercise of options $ 16 $ 63 $ 155