Activities and Balances for Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Mar. 25, 2016 |
Mar. 27, 2015 |
|
| Valuation and Qualifying Accounts Disclosure [Line Items] | ||
| (Credit) charged to expense | $ (7) | $ 3 |
| Allowance for Doubtful Accounts | ||
| Valuation and Qualifying Accounts Disclosure [Line Items] | ||
| Balance, beginning of period | 50 | 37 |
| (Credit) charged to expense | (7) | 3 |
| Balance, end of period | $ 43 | $ 40 |