Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net income before noncontrolling interests	$ 123,049	$ 180,177	$ 241,493	$ 349,861
Other comprehensive income (loss):
Change in unrealized currency translation adjustments	33,627	24,815	(14,178)	20,790
Change in unrealized investment gains (loss), net of taxes	(99,620)	48,200	(83,329)	121,144
Change in net pension asset, net of taxes	0	2,020	0	2,611
Other comprehensive income (loss)	(65,993)	75,035	(97,507)	144,545
Comprehensive income	57,056	255,212	143,986	494,406
Comprehensive (income) to the noncontrolling interest	(24)	(235)	(139)	(264)
Comprehensive income to common stockholders	$ 57,032	$ 254,977	$ 143,847	$ 494,142