XML 67 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1
Significant Accounting Policies - Research and Development Expenses for Last Three Fiscal Years (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 29, 2017
Jun. 30, 2016
Jun. 25, 2015
Research and Development [Abstract]      
Research and development expense $ 658 $ 653 $ 979