Intangible Assets (Schedule Of Finite-Lived Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Ranexa [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 688,400	$ 688,400
Accumulated Amortization	115,109	97,099
Lexiscan [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	262,800	262,800
Accumulated Amortization	82,594	69,723
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	24,995	24,995
Accumulated Amortization	13,501	12,709
Total [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	976,195	976,195
Accumulated Amortization	$ 211,204	$ 179,531