v3.8.0.1
Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
Dec. 29, 2017
Jun. 30, 2017
Dec. 30, 2016
Sep. 14, 2016
Accounting Policies [Line Items]        
Restricted cash in connection with business acquisition $ 3,423 $ 3,312 $ 3,126  
Global CEM Solutions, Ltd.        
Accounting Policies [Line Items]        
Business Acquisition, Percentage of Voting Interests Acquired       100.00%
Restricted cash in connection with business acquisition     $ 3,100 $ 3,400