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Goodwill and Intangible Assets (Aggregate Amortization Expense by Fiscal Year) (Detail) - USD ($)
$ in Thousands
Sep. 29, 2018
Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]    
2019 (1) $ 588  
2019 783  
2020 784  
2021 531  
2022 480  
Thereafter 330  
Total amortization expense $ 3,496 $ 3,726