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Accrued Expenses (Detail) - USD ($)
$ in Thousands
Oct. 29, 2017
Apr. 30, 2017
Oct. 30, 2016
Payables and Accruals [Abstract]      
Compensation, commissions and related benefits $ 5,399 $ 10,188 $ 7,111
Advertising rebates 650 468 734
Interest 18 51 5
Other accrued expenses 1,297 1,240 1,028
Accrued expenses $ 7,364 $ 11,947 [1] $ 8,878
[1] Derived from audited financial statements.