CONDENSED STATEMENTS OF OPERATIONS (Unaudited) Parentheticals (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Statement Parentheticals [Line Items]
Amounts include share-based compensation expense	$ 9,320	$ 2,114	$ 16,009	$ 5,057
Cost of product revenues
Income Statement Parentheticals [Line Items]
Amounts exclude amortization of intangible assets related to acquired products	5,266	5,184	10,718	10,368
Selling, general and administrative
Income Statement Parentheticals [Line Items]
Amounts include share-based compensation expense	8,705	2,070	14,989	4,957
Research and Development
Income Statement Parentheticals [Line Items]
Amounts include share-based compensation expense	$ 615	$ 44	$ 1,020	$ 100