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Earnings Per Share and Dividends (Dividends) (Details) - USD ($) $ / shares in Units, $ in Thousands | Apr. 22, 2021 | Jan. 21, 2021 | Oct. 15, 2020 | Apr. 15, 2020 | Jan. 23, 2020 | Oct. 17, 2019
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Earnings Per Share [Abstract] |  |  |  |  |  |
Dividend per Share (in dollars per share) | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.08 | $ 0.08
Total of Cash Dividends Declared | $ 12,169 | $ 12,371 | $ 12,417 | $ 12,452 | $ 12,517 | $ 12,647

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