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Stock-Based Compensation Plans - Summary of Stock Option Activity (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jun. 29, 2017
USD ($)
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Outstanding beginning balance, Shares | shares 9,500
Granted, Shares | shares 0
Exercised, Shares | shares (7,500)
Forfeited, Shares | shares 0
Outstanding ending balance, Shares | shares 2,000
Exercisable, Shares | shares 2,000
Outstanding beginning Balance, Weighted-Average Exercise Price | $ / shares $ 8.78
Granted, Weighted-Average Exercise Price | $ / shares 0
Exercised, Weighted-Average Exercise Price | $ / shares 8.40
Forfeited, Weighted-Average Exercise Price | $ / shares 0
Outstanding Ending Balance, Weighted-Average Exercise Price | $ / shares 10.24
Exercisable Balance, Weighted-Average Exercise Price | $ / shares $ 10.24
Outstanding, Weighted-Average Remaining Contractual Term in Years 2 years 22 days
Exercisable, Weighted-Average Remaining Contractual Term in Years 2 years 22 days
Outstanding, Aggregate Intrinsic Value | $ $ 105
Exercisable, Aggregate Intrinsic Value | $ $ 105