Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Income (Loss) Attributable to Parent	$ 268,043	$ 5,035	$ 924,817	$ 17,448
Foreign currency translation adjustments	(124,118)	41,679	(77,572)	60,522
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent	1,458	(1,938)	1,176	(2,053)
Net unrealized holding gains (losses) on available-for-sale investments net of tax expense	(135)	54,564	(1,851)	134,713
Total other comprehensive income (loss) net of tax	(122,795)	94,305	(78,247)	193,182
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 145,248	$ 99,340	$ 846,570	$ 210,630

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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