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Other Equity Matters Dividends (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
8.50% Series A Cumulative Redeemable Perpetual Preference Shares |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Per Share Payment (in dollars per share) | $ 0.53 | $ 0.53 | $ 1.59 | $ 1.59
Dividends | $ 1.8 | $ 1.8 | $ 5.4 | $ 5.4
8.00% Series B Cumulative Redeemable Perpetual Preference Shares |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Per Share Payment (in dollars per share) | $ 0.50 | $ 0.50 | $ 1.50 | $ 1.50
Dividends | $ 2.9 | $ 2.9 | $ 8.7 | $ 8.7
7.375% Series C Cumulative Redeemable Perpetual Preference Shares |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Per Share Payment (in dollars per share) | $ 0.46 | $ 0.46 | $ 1.38 | $ 1.38
Dividends | $ 3.2 | $ 3.2 | $ 9.6 | $ 9.6
6.875% Series D Cumulative Redeemable Perpetual Preference Shares |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Per Share Payment (in dollars per share) | $ 0.43 | $ 0.43 | $ 1.29 | $ 1.29
Dividends | $ 2.6 | $ 2.6 | $ 7.8 | $ 7.8
5.75% Series E Cumulative Redeemable Perpetual Preference Shares |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Per Share Payment (in dollars per share) | $ 0.36 | $ 0.36 | $ 1.08 | $ 1.08
Dividends | $ 2.5 | $ 2.5 | $ 7.6 | $ 7.6
Preferred Shares |  |  |  |
Dividends Payable [Line Items] |  |  |  |
Dividends | $ 13.0 | $ 13.0 | $ 39.1 | $ 39.1

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