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Dividend Program - Narrative (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 02, 2020
Aug. 02, 2020
Aug. 04, 2019
Dividends [Line Items]      
Cash dividends paid   $ 1,291 $ 1,241
Quarterly Dividend [Member]      
Dividends [Line Items]      
Cash dividends paid   $ 1,300 $ 1,200
Cash dividend payment, per share   $ 0.105 $ 0.10
Subsequent Event [Member] | Quarterly Dividend [Member]      
Dividends [Line Items]      
Cash dividend declared, per share $ 0.105    
Date of payment to shareholders entitled to dividends Oct. 15, 2020    
Date of record of shareholders entitled to dividends Oct. 08, 2020