Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues, net:
Revenues, net	$ 184,063	$ 253,420
Gross Profit:
Total gross profit	82,228	148,769
Operating expenses	107,643	74,356
OPERATING (LOSS) INCOME	(25,415)	74,413
Other expenses, net	(10,612)	(9,087)
(LOSS) INCOME BEFORE INCOME TAXES	(36,027)	65,326
Prescription Pharmaceuticals
Revenues, net:
Revenues, net	164,302	237,379
Gross Profit:
Total gross profit	73,508	140,956
Consumer Health
Revenues, net:
Revenues, net	19,761	16,041
Gross Profit:
Total gross profit	$ 8,720	$ 7,813