Shareholders' Equity Cash Dividend Restrictions (Details) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
---|---|---|---|
C Cash Dividend Restrictions [Abstract] | |||
Amount available for dividend distribution without prior approval from regulatory agency | $ 982.0 | ||
Dividends declared to the Company by it subsidiaries | 566.7 | $ 472.4 | $ 399.5 |
Extra-ordinary dividends received from subsidiaries | $ 100.0 | $ 37.7 |