Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 270,650	$ 384,349	$ 614,702	$ 674,473
Other comprehensive income (loss):
Foreign currency translation adjustments	5,248	(16,691)	(770)	8,130
Comprehensive income	$ 275,898	$ 367,658	$ 613,932	$ 682,603

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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