Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues, net:
Revenues, net	$ 199,140	$ 280,734	$ 452,560	$ 549,081
Gross Profit:
Total gross profit	102,967	171,773	252,099	334,790
Operating expenses	88,437	79,405	162,736	154,843
OPERATING INCOME	14,530	92,368	89,363	179,947
Other expenses, net	(7,780)	(12,093)	(17,287)	(33,100)
INCOME BEFORE INCOME TAXES	6,750	80,275	72,076	146,847
Prescription Pharmaceuticals
Revenues, net:
Revenues, net	182,645	265,015	420,024	515,764
Gross Profit:
Total gross profit	96,104	164,492	237,423	319,127
Consumer Health
Revenues, net:
Revenues, net	16,495	15,719	32,536	33,317
Gross Profit:
Total gross profit	$ 6,863	$ 7,281	$ 14,676	$ 15,663