v3.8.0.1
Changes in Carrying Amount of Goodwill from Acquisition (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 29, 2017
Jun. 30, 2017
Goodwill [Line Items]    
Beginning Balance $ 3,806 $ 0
Addition in connection with business acquisition   3,883
Foreign currency translation adjustment 127 (77)
Ending Balance $ 3,933 $ 3,806