BUSINESS COMBINATIONS (Details 8) (USD $)	3 Months Ended				3 Months Ended		3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Probiotica Laboratorios Ltda.	Feb. 01, 2012 Probiotica Laboratorios Ltda.	Mar. 31, 2012 Ortho Dermatologics	Dec. 12, 2011 Ortho Dermatologics	Mar. 31, 2012 iNova	Mar. 31, 2012 Afexa	Mar. 31, 2012 Eyetech Inc	Mar. 31, 2012 Eyetech Inc Maximum
Pro forma of consolidated results of operations
Revenues	$ 864,643,000	$ 752,120,000
Net (loss) income	(64,000)	14,042,000
Basic earnings (loss) per share (in dollars per share)		$ 0.05
Diluted earnings (loss) per share (in dollars per share)		$ 0.04
Pro forma acquisition accounting adjustment on inventory sold subsequent to acquisition date			100,000		3,300,000		11,100,000	2,400,000
Pro forma acquisition-related costs	2,600,000
Total fair value of consideration transferred				90,623,000		346,109,000			22,300,000
Fair value of upfront and contingent consideration									23,200,000
Additional milestone payments based on certain sales-based milestones										4,000,000
Identifiable intangible assets				37,938,000		333,599,000			24,200,000
Deferred income taxes, net				460,000		(1,690,000)			(10,200,000)
Inventories				5,438,000		6,169,000			5,000,000
Accounts receivable				$ 11,078,000					$ 5,000,000