Intangible Assets, Net (Schedule Of Intangible Assets, Net) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Intangible Assets [Line Items]
Intangible assets, net	$ 289,037	$ 311,669
In-process research and development acquired In the Anchen Acquisition [Member]
Intangible Assets [Line Items]
Intangible assets, net	124,700	126,700
Net of accumulated amortization	0	0
Developed products acquired In Anchen Acquisition [Member]
Intangible Assets [Line Items]
Intangible assets, net	72,164	83,550
Net of accumulated amortization	13,036	1,650
QOL Medical, LLC Asset Purchase Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	39,901	42,181
Net of accumulated amortization	14,820	12,540
Teva Pharmaceuticals, Inc. Asset Purchase Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	15,336	16,745
Net of accumulated amortization	2,664	1,255
Glenmark Generics Limited And Glenmark Generics, Inc. USA Licensing Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	15,000	15,000
Net of accumulated amortization	0	0
Synthon Pharmaceuticals, Inc. Asset Purchase Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	9,600	9,600
Net of accumulated amortization	0	0
Covenant not-to-compete acquired In the Anchen Acquisition [Member]
Intangible Assets [Line Items]
Intangible assets, net	7,059	8,542
Net of accumulated amortization	1,842	358
Teva Pharmaceuticals, Inc. License And Distribution Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	2,000	6,000
Net of accumulated amortization	4,000	0
In-process research and development acquired in the Edict Acquisition [Member]
Intangible Assets [Line Items]
Intangible assets, net	1,100	0
Net of accumulated amortization	0	0
Genpharm, Inc. Distribution Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	724	1,085
Net of accumulated amortization	10,109	9,748
Covenant not-to-compete acquired in the Edict Acquisition, Net Of Accumulated [Member]
Intangible Assets [Line Items]
Intangible assets, net	656	0
Net of accumulated amortization	94	0
SVC Pharma LP License And Distribution Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	406	650
Net of accumulated amortization	3,278	3,034
Other [Member]
Intangible Assets [Line Items]
Intangible assets, net	391	414
Net of accumulated amortization	7,231	7,209
Trademark licensed from Bristol-Myers Squibb Company [Member]
Intangible Assets [Line Items]
Intangible assets, net	0	852
Net of accumulated amortization	10,000	9,148
MDRNA, Inc. Asset Purchase Agreement [Member]
Intangible Assets [Line Items]
Intangible assets, net	0	350
Net of accumulated amortization	$ 2,100	$ 1,750