CONSOLIDATED STATEMENTS OF CASH FLOW (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Operating Activities
Net income	$ 124,098	$ 460,445
Adjustments to reconcile net income to net cash provided by operating activities:
Net realized (gains) losses	(71,367)	(111,889)
Net impairment losses recognized in earnings	4,364	6,016
Equity in net (income) loss of investment funds accounted for using the equity method and other income	18,590	(18,380)
Share-based compensation	19,505	19,376
Changes in:
Reserve for losses and loss adjustment expenses, net of unpaid losses and loss adjustment expense recoverable	286,223	162,604
Unearned premiums, net of prepaid reinsurance premiums	194,123	96,881
Premiums receivable	(196,244)	(136,851)
Deferred acquisition costs, net	(30,261)	(17,617)
Reinsurance balances payable	15,987	(17,402)
Other liabilities	6,753	(15,771)
Other items, net	74,776	(37,275)
Net Cash Provided By Operating Activities	446,547	390,137
Investing Activities
Purchases of fixed maturity investments	(7,669,992)	(9,483,319)
Purchase of equity securities	(248,947)	(74,010)
Purchases of other investments	(207,365)	(283,450)
Proceeds from the sales of fixed maturity investments	7,622,120	9,111,774
Proceeds from the sales of equity securities	199,650	36,768
Proceeds from the sales of other investments	201,680	177,046
Proceeds from redemptions and maturities of fixed maturity investments	537,410	456,937
Net purchases of short-term investments	(544,295)	(6,682)
Change in investment of securities lending collateral	(77,051)	(680)
Purchases of furniture, equipment and other assets	(12,348)	(7,860)
Net Cash Used By Investing Activities	(199,138)	(73,476)
Financing Activities
Purchases of common shares under share repurchase program	(266,725)	(450,326)
Proceeds from common shares issued, net	1,478	14,370
Proceeds from borrowings	0	264,526
Repayments of borrowings	(7,614)	(120,339)
Change in securities lending collateral	77,051	680
Other	3,181	7,357
Preferred dividends paid	(12,922)	(12,922)
Net Cash Used For Financing Activities	(205,551)	(296,654)
Effects of exchange rate changes on foreign currency cash	6,403	(13,109)
Increase (decrease) in cash	48,261	6,898
Cash beginning of year	362,740	334,571
Cash end of period	$ 411,001	$ 341,469

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. It also includes other income derived by the entity which is not classified elsewhere.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the disposal group (and discontinued operation).

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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