CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income	$ 223,784	$ 331,836	$ 154,256	$ 348,943
Other Comprehensive (Loss) Income, Net of Tax:
Currency translation adjustments	(90,486)	(117,713)	(179,802)	(80,335)
Defined benefit pension plan adjustments	6,724	2,217	6,311	6,962
Net unrealized (losses) gains on derivative instruments:
Unrealized holding gains	8,866	19,745	32,367	15,437
Reclassification adjustment for realized (gains) losses included in net income	(19,152)	3,328	(41,708)	8,925
Net unrealized (losses) gains on derivative instruments	(10,286)	23,073	(9,341)	24,362
Other Comprehensive (Loss) Income, Net of Tax	(94,048)	(92,423)	(182,832)	(49,011)
Comprehensive Income (Loss)	$ 129,736	$ 239,413	$ (28,576)	$ 299,932