CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013
Comprehensive income
Net Income (Loss) Attributable to Parent	$ 502,166		$ 684,047	$ 418,837
Other comprehensive income (loss), net of tax:
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(262,998)		(125,236)	(60,392)
Net unrealized investment gains (losses)	(689,076)	[1]	804,528	(1,057,412)
Change in other-than-temporary impairment losses on fixed maturity securities			(1,698)	(2,896)
Defined benefit pension and postretirement plan adjustments	3,229		(27,770)	14,509
Total other comprehensive income (loss), net of tax	(948,845)		651,522	(1,103,295)
Total comprehensive income (loss)	$ (446,679)		$ 1,335,569	$ (684,458)

[1] Includes cash flow hedges. See Note 5 for additional information on cash flow hedges.