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Accounts Receivable and Other Receivables - Schedule of Continuity of Allowance for Doubtful Accounts (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Mar. 25, 2017
Receivables [Abstract]      
Beginning balance [1] $ 513 $ 286 $ 220
Additional provision recorded 170 227 81
Net write-offs (249)   (15)
Ending balance $ 434 $ 513 [1] $ 286 [1]
[1] Recast (refer to note 1)