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Other Assets (Detail) - USD ($)
$ in Thousands
Jan. 29, 2017
May 01, 2016
Jan. 31, 2016
Other Assets, Noncurrent [Abstract]      
Cash surrender value - life insurance $ 376 $ 357 $ 357
Non-compete agreement, net 847 903 922
Customer relationships, net 677 715 728
Other 517 598 428
Other assets $ 2,417 $ 2,573 [1] $ 2,435
[1] Derived from audited financial statements.