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Income Taxes - Components of Income Tax Expense (Benefit) from Continuing Operations (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 30, 2019
Mar. 31, 2018
[1]
Mar. 25, 2017
[1]
Income Tax Disclosure [Abstract]      
Current $ 0 $ 0 $ 0
Deferred (4,769) (5,922) (2,368)
Valuation allowance 4,769 5,922 2,368
Income tax expense $ 0 $ 0 $ 0
[1] Recast (refer to note 1)