Earnings Per Share and Dividends (Dividends) (Details) - USD ($) $ / shares in Units, $ in Thousands	Apr. 15, 2020	Jan. 23, 2020	Oct. 17, 2019	Apr. 18, 2019	Jan. 24, 2019	Oct. 18, 2018
Earnings Per Share [Abstract]
Dividend per Share	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.08
Total of Cash Dividends Declared	$ 12,452	$ 12,517	$ 12,647	$ 12,681	$ 12,706	$ 13,226

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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