UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Cash flows provided by (used in) operating activities:
Net income (loss)	$ 437,795		$ 33,817
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net realized (gains) losses on investments	(8,410)		75,981
Net realized & unrealized (gains) losses on derivative instruments	3,598		7,383
Amortization of premiums (discounts) on fixed maturities	75,240		42,939
(Income) loss from investment and operating affiliates	(61,319)	[1]	(97,287)	[1]
Share based compensation	27,795		22,872
Depreciation	27,479		24,248
Accretion of deposit liabilities	49,852		40,281
Unpaid losses and loss expenses	(531,503)		67,088
Future policy benefit reserves	(88,679)		(61,147)
Unearned premiums	718,750		622,665
Premiums receivable	(739,817)		(652,203)
Unpaid losses and loss expenses recoverable	300,429		57,390
Ceded unearned premiums	(153,792)		(184,010)
Reinsurance balances receivable	(4,959)		37,536
Deferred acquisition costs	(60,901)		(79,060)
Reinsurance balances payable	427,573		279,074
Deferred tax asset - net	22,328		(51,297)
Derivatives	28,383		(46,619)
Other assets	26,077		38,458
Other liabilities	17,389		(95,299)
Other	(29,712)		24,517
Total adjustments	45,801		73,510
Net cash provided by (used in) operating activities	483,596		107,327
Cash flows provided by (used in) investing activities:
Proceeds from sale of fixed maturities and short-term investments	1,972,342		2,489,705
Proceeds from redemption of fixed maturities and short-term investments	2,280,398		1,325,898
Proceeds from sale of equity securities	123,181		157,727
Purchases of fixed maturities and short term investments	(4,093,947)		(3,527,609)
Purchases of equity securities	(197,653)		(381,918)
Net dispositions of investment affiliates	38,437		11,684
Other investments, net	(128,281)		8,877
Net cash provided by (used in) investing activities	(5,523)		84,364
Cash flows (used in) provided by financing activities:
Proceeds from issuance of ordinary shares and exercise of stock options	1,214		1,089
Buybacks of ordinary shares	(225,978)		(258,903)
Dividends paid on ordinary shares	(68,315)		(68,073)
Distributions to non-controlling interests	(39,930)		(35,599)
Contribution from non-controlling interest	1,500		0
Repayment of debt	(600,000)		0
Deposit liabilities	(56,910)		(52,565)
Net cash (used in) provided by financing activities	(988,419)		(414,051)
Effects of exchange rate changes on foreign currency cash	(3,633)		58,834
Increase (decrease) in cash and cash equivalents	(513,979)		(163,526)
Cash and cash equivalents beginning of year	3,825,125		3,022,868
Cash and cash equivalents end of year	$ 3,311,146		$ 2,859,342

[1] The Company records the income related to the alternative funds and to the private investment and operating fund affiliates on a one-month and three-month lag, respectively.