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CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Fixed income securities, available for sale amortized cost	$ 5,282.3	$ 5,201.2
Fixed income securities, trading, amortized cost	1,205.0	1,634.9
Equity securities, trading, cost	0.0	414.8
Short term investments available for sale, amortized cost	105.6	90.0
Short-term investments, trading, amortized cost	9.5	73.0
Cash and cash equivalents, within VIEs	26.9	166.6
Catastrophe bonds trading, at fair value	$ 37.9	$ 33.5
Ordinary shares, par value	$ 0.0015144558	$ 0.0015144558
Ordinary shares, issued	59,743,156	59,474,085
Preference shares, par value	$ 0.0015144558	$ 0.0015144558
5.950% Preference Shares
Preference shares, issued	11,000,000	11,000,000
Preference shares, rate	5.95%	5.95%
Preference shares, par value	$ 0.0015144558	$ 0.0015144558
5.625% Preference Shares
Preference shares, issued	10,000,000	10,000,000
Preference shares, rate	5.625%	5.625%
Preference shares, par value	$ 0.0015144558	$ 0.0015144558
Fixed maturities
Fixed income securities, available for sale amortized cost	$ 5,387.9	$ 5,291.2

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