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Shareholders' Equity (Schedule of Dividends Paid and Dividends Declared) (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
May 06, 2021 | Mar. 31, 2021
February 20, 2020 [Member] |  |
Date Declared |  | Feb. 19, 2021
Payable to Shareholders of Record At the Close of Business on |  | Mar. 10, 2021
Cash Paid Per Share |  | $ 0.58
Aggregate Amount Paid |  | $ 63.4
Date Paid/Date to be Paid |  | Mar. 26, 2021
Subsequent Event [Member] | August 3, 2020 [Member] |  |
Date Declared | Apr. 26, 2021 |
Payable to Shareholders of Record At the Close of Business on | May 20, 2021 |
Cash to be Paid Per Share | $ 0.58 |
Date Paid/Date to be Paid | Jun. 15, 2021 |

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