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

Aggregate dividends paid during the period for each share of common stock outstanding.

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-Paragraph 1
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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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