Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	0 Months Ended	1 Months Ended		3 Months Ended	12 Months Ended
	Jun. 02, 2011	Oct. 18, 2011	Sep. 01, 2011	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Nov. 17, 2011
Property, Plant and Equipment [Line Items]
Cash received from customers with respect to net product sales					$ 941,000,000	$ 1,098,000,000	$ 1,140,000,000
Aggregate consideration paid for Anchen Acquisition								412,753,000
Distribution costs					2,500,000	2,500,000	2,400,000
Percentage of net product sales generated by contract manufactured and/or licensed products					58.00%
Payments related to the settlement of certain AWP litigation	23,000,000	884,000	3,600,000	154,000,000
Debt issuance costs					1,400,000	304,000	492,000
Write-off of debt issuance costs					$ 579,000
Internal Use Of Computer Software [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, minimum in years					3
Estimated useful life, maximum in years					7