Other Assets (Detail) - USD ($) $ in Thousands	Jul. 31, 2016	May 01, 2016		Aug. 02, 2015
Other Assets, Noncurrent [Abstract]
Cash surrender value - life insurance	$ 358	$ 357		$ 339
Non-compete agreement, net	885	903		960
Customer relationships, net	702	715		753
Other	557	598		423
Other assets	$ 2,502	$ 2,573	[1]	$ 2,475

[1] Derived from audited financial statements.