Segment Information (Schedule of Financial Data for Business Segments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 segment	Jun. 30, 2013
Segment Reporting Information [Line Items]
Number of business segments			2
Total revenues	$ 295,405	$ 233,669	$ 584,489	$ 523,865
Total gross margin	93,509	58,900	187,824	130,344
Total operating (loss) income	(17,527)	(7,499)	(51,682)	1,110
Interest income	0	20	14	56
Interest expense	(27,499)	(23,612)	(52,966)	(47,648)
Loss on debt extinguishment	0	0	(3,989)	(7,335)
(Benefit) provision for income taxes	(18,106)	(9,300)	(42,338)	(17,280)
Net loss	(26,920)	(21,791)	(66,285)	(36,537)
Par Pharmaceutical [Member]
Segment Reporting Information [Line Items]
Total revenues	278,834	215,115	552,640	487,917
Total gross margin	83,884	46,301	167,529	105,996
Total operating (loss) income	(8,560)	(10,341)	(31,571)	(817)
Strativa [Member]
Segment Reporting Information [Line Items]
Total revenues	16,571	18,554	31,849	35,948
Total gross margin	9,625	12,599	20,295	24,348
Total operating (loss) income	$ (8,967)	$ 2,842	$ (20,111)	$ 1,927