CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 315,994	$ 70,596	$ (3,919)	$ (213,687)
Other Comprehensive Loss, Net of Tax
Currency translation adjustments	13,032	(46,722)	(105,759)	(33,759)
Employee benefit plan adjustments	1,291	883	4,869	1,730
Net unrealized gains (losses) on available-for-sale security	178	(1,922)	293	(1,989)
Net unrealized (losses) gains on derivative instruments:
Unrealized holding (losses) gains	(15,709)	12,996	(1,815)	22,068
Amounts reclassified from accumulated other comprehensive loss	(7,069)	(6,394)	(13,978)	(9,645)
Net unrealized (losses) gains on derivative instruments	(22,778)	6,602	(15,793)	12,423
Other Comprehensive Loss, Net of Tax	(8,277)	(41,159)	(116,390)	(21,595)
Comprehensive Income (Loss)	$ 307,717	$ 29,437	$ (120,309)	$ (235,282)

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

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