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Accrued Expenses (Detail) - USD ($)
$ in Thousands
Apr. 28, 2019
Apr. 29, 2018
Payables and Accruals [Abstract]    
Compensation, commissions and related benefits $ 4,229 $ 6,918
Interest 4 20
Other 5,292 3,150
Accrued expenses $ 9,525 $ 10,088