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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 |  |

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