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Net (Loss) Income Per Share - Schedule of Weighted Average Shares Used in the Computation of Basic and Diluted Net (Loss) Income Per Share (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Feb. 02, 2020	Jan. 27, 2019	Feb. 02, 2020	Jan. 27, 2019
Earnings Per Share [Abstract]
Weighted average common shares outstanding, basic	12,409	12,438	12,405	12,488
Dilutive effect of stock-based compensation		27	16	105
Weighted average common shares outstanding, diluted	12,409	12,465	12,421	12,593

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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