XML 72 R101.htm IDEA: XBRL DOCUMENT v3.19.2
Dividend Program (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 05, 2019
Aug. 04, 2019
Jul. 29, 2018
Dividends [Line Items]      
Cash dividends paid   $ 1,241 $ 1,127
Quarterly Dividend [Member]      
Dividends [Line Items]      
Cash dividends paid   $ 1,200 $ 1,100
Cash dividend payment, per share   $ 0.10 $ 0.09
Subsequent Event [Member] | Quarterly Dividend [Member]      
Dividends [Line Items]      
Cash dividend declared, per share $ 0.10    
Date of payment to shareholders entitled to dividends Oct. 15, 2019    
Date of record of shareholders entitled to dividends Oct. 04, 2019