XML 64 R49.htm IDEA: XBRL DOCUMENT v3.20.2
Significant Accounting Policies - Depreciation Expense for Last Three Fiscal Years (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 25, 2020
Jun. 27, 2019
Jun. 28, 2018
Depreciation [Abstract]      
Depreciation expense $ 15,433 $ 14,017 $ 13,414