Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 447,098	$ 487,848	$ 396,831
Other comprehensive income (loss):
Foreign currency translation adjustments	(58,988)	174,973	(49,861)
Unrealized gain on hedging activities, net of income tax provision of $289, $212 and $0, respectively	2,022	1,482	0
Other comprehensive income (loss)	(56,966)	176,455	(49,861)
Comprehensive income attributable to Jazz Pharmaceuticals plc	$ 390,132	$ 664,303	$ 346,970