Accrued Expenses (Detail) - USD ($) $ in Thousands	Aug. 02, 2015	May. 03, 2015		Aug. 03, 2014
Payables and Accruals [Abstract]
Compensation, commissions and related benefits	$ 4,946	$ 9,081		$ 4,053
Interest	81	37		168
Other accrued expenses	2,704	2,011		2,144
Accrued expenses	$ 7,731	$ 11,129	[1]	$ 6,365

[1] Derived from audited financial statements.