SIGNIFICANT ACCOUNTING POLICIES (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Advertising Costs
Advertising expenses	$ 106.3	$ 29.9	$ 10.0
Income Taxes
The "more likely than not" probability threshold must be greater than this percentage (as a percent)	50.00%
Minimum period to classify uncertain tax position liabilities as long term liabilities (in years)	1 year
Three largest U.S. wholesaler customers
Revenue Recognition
Number of largest wholesale customers	3
After merger | U.S. Neurology and Other
SIGNIFICANT ACCOUNTING POLICIES
Number of reporting units	1
After merger | U.S. Dermatology
SIGNIFICANT ACCOUNTING POLICIES
Number of reporting units	1
After merger | Canada and Australia
SIGNIFICANT ACCOUNTING POLICIES
Number of reporting units	2
After merger | Branded Generics - Europe
SIGNIFICANT ACCOUNTING POLICIES
Number of reporting units	1
After merger | Branded Generics - Latin America
SIGNIFICANT ACCOUNTING POLICIES
Number of reporting units	2