XML 64 R50.htm IDEA: XBRL DOCUMENT v3.10.0.1
Significant Accounting Policies - Schedule of Gross Rental Income and Rental (Expense) (Parenthetical) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 28, 2018
Jun. 29, 2017
Jun. 30, 2016
Gross Rental Income and (Expense) [Abstract]      
Annual depreciation expense $ 800 $ 800 $ 800