Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues, net:
Revenues, net	$ 190,944	$ 199,140	$ 375,007	$ 452,560
Gross Profit:
Total gross profit	81,279	102,769	163,507	251,538
Operating expenses	172,845	88,495	280,488	162,851
OPERATING (LOSS) INCOME	(91,566)	14,274	(116,981)	88,687
Other expenses, net	(12,690)	(7,524)	(23,302)	(16,611)
(LOSS) INCOME BEFORE INCOME TAXES	(104,256)	6,750	(140,283)	72,076
Prescription Pharmaceuticals
Revenues, net:
Revenues, net	172,163	182,645	336,464	420,024
Gross Profit:
Total gross profit	73,286	95,906	146,794	236,862
Consumer Health
Revenues, net:
Revenues, net	18,781	16,495	38,543	32,536
Gross Profit:
Total gross profit	$ 7,993	$ 6,863	$ 16,713	$ 14,676