Undrawn Available Credit Facilities Classified by Availability Period of Future Borrowing (Detail) - USD ($) $ in Thousands |
Dec. 29, 2017 |
Jun. 30, 2017 |
|---|---|---|
| Line of Credit Facility [Line Items] | ||
| Undrawn available credit facilities | $ 111,000 | |
| Short-term loans | ||
| Line of Credit Facility [Line Items] | ||
| Undrawn available credit facilities | 0 | $ 1,965 |
| Long-term loans | ||
| Line of Credit Facility [Line Items] | ||
| Undrawn available credit facilities | $ 111,000 | $ 116,000 |