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Dividend Program - Narrative (Detail) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Mar. 04, 2020
Feb. 02, 2020
Jan. 27, 2019
Dividends [Line Items]      
Cash dividends paid   $ 3,786 $ 3,493
Quarterly Dividend [Member] | Minimum [Member]      
Dividends [Line Items]      
Cash dividend payment, per share   $ 0.10 $ 0.09
Quarterly Dividend [Member] | Maximum [Member]      
Dividends [Line Items]      
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 Apr. 15, 2020    
Date of record of shareholders entitled to dividends Apr. 07, 2020