Intangible Assets, net (Schedule of Intangible Assets, Net) (Details) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Intangible assets, net	$ 1,092,648	$ 1,375,999
Successor [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Accumulated Amortization	(227,059)	(42,801)
Intangible assets, gross	1,319,707	1,418,800
Intangible assets, net	1,092,648	1,375,999
Successor [Member] | Par trade name [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Indefinite-lived intangible assets	26,400	26,400
Successor [Member] | Watson/Actavis related IPR&D [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Indefinite-lived intangible assets	4,700	14,300
Successor [Member] | Other Intangible Assets [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Indefinite-lived intangible assets		0
Successor [Member] | Developed products [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	530,759	552,700
Accumulated Amortization	(155,744)	(33,321)
Net	375,015	519,379
Successor [Member] | Other product related royalty streams [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	115,600	115,600
Accumulated Amortization	(22,709)	(5,289)
Net	92,891	110,311
Successor [Member] | IPR&D [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	293,400	584,000
Accumulated Amortization	0	0
Net	293,400	584,000
Successor [Member] | Subsequently Developed In Process Research and Development [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	262,553	24,600
Accumulated Amortization	(25,331)	(257)
Net	237,222	24,343
Successor [Member] | Watson/Actavis Divestiture Products [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	85,295	101,200
Accumulated Amortization	(23,143)	(3,934)
Net	62,152	97,266
Successor [Member] | Other Intangible Assets [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	1,000
Accumulated Amortization	(132)
Net	$ 868