Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (31,111)	$ 76,452
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment (“CTA”) gain (loss)	115,899	(146,311)
Unrealized gain (loss) on available-for-sale securities	(304)	103
Unrealized gain (loss) on cash flow hedges	(6,784)	10,556
Net investment hedge CTA loss	(16,312)	0
Net actuarial gain on defined benefit plans	6	59
Total other comprehensive income (loss), net of tax	92,505	(135,593)
Comprehensive income (loss), net of tax	$ 61,394	$ (59,141)