Shareholders' Equity (Schedule of Dividends Paid and Dividends Declared) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	May 06, 2020	Mar. 31, 2020
Aggregate Amount Paid		$ 52.2
February 20, 2020 [Member]
Date Declared		Feb. 20, 2020
Payable to Shareholders of Record At the Close of Business on		Mar. 10, 2020
Cash Paid Per Share		$ 0.465
Date Paid/Date to be Paid		Mar. 26, 2020
May 5, 2020 [Member]
Date Declared	May 05, 2020
Payable to Shareholders of Record At the Close of Business on	May 28, 2020
Cash to be Paid Per Share	$ 0.465
Date Paid/Date to be Paid	Jun. 18, 2020