CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Fixed maturity investments, at fair value (amortized cost: $2,464.6 and $2,421.9)	$ 2,496.3	$ 2,430.8
Equity securities, at fair value (cost: $148.0 and $106.6)	156.9	117.3
Other investments (cost: $152.9 and $77.7)	155.6	78.8
Total investments	2,808.8	2,626.9
Cash and cash equivalents	747.4	468.4
Restricted cash	74.5	133.7
Reinsurance recoverable on unpaid losses	55.0	63.6
Reinsurance recoverable on paid losses	4.3	3.6
Insurance and reinsurance premiums receivable	273.8	203.4
Unearned reinsurance premiums ceded	38.3	22.6
Deferred insurance and reinsurance acquisition costs	61.4	51.5
Accrued investment income	16.2	15.0
Amounts receivable under reverse repurchase agreements	121.5	80.8
Unsettled sales of investments	132.6	58.8
Other assets	30.4	30.2
Total Assets	4,364.2	3,758.5
Liabilities
Loss and loss adjustment expense reserves	839.1	881.6
Debt	399.2	399.2
Unearned insurance and reinsurance premiums	373.6	276.7
Insurance and reinsurance balances payable	62.2	43.3
Amounts payable under repurchase agreements	402.7	0
Investment securities sold short, at fair value	220.4	155.6
Unsettled purchases of investments	110.7	58.8
Accounts payable, accrued expenses and other liabilities	46.9	56.3
Total Liabilities	2,454.8	1,871.5
Commitments and Contingent Liabilities (See Note 10)
Shareholders' Equity
Non-cumulative preferred shares ("Preferred Shares") - issued 6,000,000 shares	150.0	150.0
Common Shares, at par value - issued 48,109,054 and 50,462,839 shares	0.1	0.1
Additional paid-in capital	830.5	900.5
Common Shares held in treasury, at cost: 1,091,196 and 1,188,674 shares	(19.0)	(18.9)
Retained earnings	697.8	612.8
Accumulated other comprehensive loss	(2.2)	(2.4)
Total Shareholders' Equity available to the Company	1,657.2	1,642.1
Non-controlling interests	252.2	244.9
Total Shareholders' Equity	1,909.4	1,887.0
Total Liabilities and Shareholders' Equity	$ 4,364.2	$ 3,758.5