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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 28, 2017
Dec. 28, 2017
Jun. 29, 2017
Finite-Lived Intangible Assets [Line Items]      
Intangible assets gross $ 19,670 $ 19,670 $ 18,690
Expected amortization expense for remainder of fiscal 2018 1,685 1,685  
Amortization expense related to intangible assets 329 329  
Goodwill related to acquisition of Squirrel Brand 9,638 9,638  
Squirrel Brand [Member]      
Finite-Lived Intangible Assets [Line Items]      
Goodwill related to acquisition of Squirrel Brand $ 9,638 $ 9,638