Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues, net:
Revenues, net	$ 202,428	$ 284,095	$ 654,988	$ 833,176
Gross Profit:
Total gross profit	97,963	170,227	350,062	505,017
Operating expenses	88,540	83,399	251,276	238,242
OPERATING INCOME	9,423	86,828	98,786	266,775
Other expenses, net	(11,360)	(11,614)	(28,647)	(44,714)
INCOME (LOSS) BEFORE INCOME TAXES	(1,937)	75,214	70,139	222,061
Prescription Pharmaceuticals
Revenues, net:
Revenues, net	186,988	268,880	607,012	784,644
Gross Profit:
Total gross profit	91,454	163,300	328,877	482,427
Consumer Health
Revenues, net:
Revenues, net	15,440	15,215	47,976	48,532
Gross Profit:
Total gross profit	$ 6,509	$ 6,927	$ 21,185	$ 22,590