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Net Income Per Share - Weighted Average Shares (Detail) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Nov. 03, 2019
Oct. 28, 2018
Nov. 03, 2019
Oct. 28, 2018
Earnings Per Share [Abstract]        
Weighted average common shares outstanding, basic 12,408 12,515 12,403 12,512
Dilutive effect of stock-based compensation   36 10 100
Weighted average common shares outstanding, diluted 12,408 12,551 12,413 12,612