UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income (loss) attributable to ordinary shareholders	$ 272,698	$ 221,154	$ 623,487	$ 397,782
Change in net unrealized gains (losses) on investments, net of tax	(715,179)	109,335	(827,401)	321,658
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	30,076	1,332	25,642	16,383
Change in OTTI losses recognized in other comprehensive income, net of tax	14,438	13,996	19,620	26,417
Change in underfunded pension liability	(90)	168	295	(7)
Change in value of cash flow hedge	110	110	220	220
Foreign currency translation adjustments	(23,718)	(45,700)	(27,636)	(36,966)
Comprehensive income (loss)	$ (421,665)	$ 300,395	$ (185,773)	$ 725,487