CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Comprehensive income (loss)
Net income	$ 83,534	$ 157,996	$ 339,039	$ 492,956
Other comprehensive income (loss), net of tax:
Change in foreign currency translation adjustments	(105,504)	(75,107)	(201,340)	(75,147)
Change in net unrealized gains and losses on investments	(139,066)	(55,615)	(552,783)	566,014
Change in other-than-temporary impairment losses on fixed maturity securities	0	1,248	0	1,698
Changes in pension and other postretirement plan adjustments	1,685	421	3,473	1,435
Total other comprehensive income (loss), net of tax	(242,885)	(129,053)	(750,650)	494,000
Total comprehensive income (loss)	$ (159,351)	$ 28,943	$ (411,611)	$ 986,956