Temporary Equity, Equity and Dividends (Schedule of Quarterly Dividends Declared and Paid) (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) $ / shares
Special Dividend [Member]
Dividends Payable [Line Items]
Dividend per share | $ / shares	$ 1.0800
Total dividends | $	$ 120.4
Fourth quarter 2021
Dividends Payable [Line Items]
Dividend per share | $ / shares	$ 0.2500
Total dividends | $	$ 27.7
Fourth Quarter 2022 [Member]
Dividends Payable [Line Items]
Dividend per share | $ / shares	$ 0.2700
Total dividends | $	$ 30.0