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Equity (Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Feb. 22, 2022
Equity [Abstract] |  |  |
Shares repurchased and retired during period (in shares) | 5.5 | 4.2 |
Common stock value repurchased including acquisition costs | $ 122.4 | $ 48.4 |
Average cost per share of repurchased shares (in dollars per share) | $ 22.38 | $ 11.48 |
Stock repurchase program, authorized amount | $ 50.0 | $ 50.0 |
Stock repurchase program remaining authorized amount | $ 0.4 |  |
Increase in authorized shares for repurchase |  |  | $ 50.0

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