CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Comprehensive income (loss)
Net income	$ 157,996	$ 137,955	$ 492,956	$ 273,878
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	(75,107)	27,139	(75,147)	(75,798)
Change in net unrealized gains and losses on investments	(55,615)	(112,035)	566,014	(938,216)
Change in other-than-temporary impairment losses on fixed maturity securities	1,248	2,246	1,698	2,896
Changes in pension and other postretirement plan adjustments	421	517	1,435	2,217
Total other comprehensive income (loss), net of tax	(129,053)	(82,133)	494,000	(1,008,901)
Total comprehensive income (loss)	$ 28,943	$ 55,822	$ 986,956	$ (735,023)