GOODWILL AND INTANGIBLE ASSETS (Details) (USD $)	7 Months Ended			3 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended
	Oct. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2012 IPR&D item	Mar. 31, 2013 Collaboration agreements	Mar. 31, 2012 Collaboration agreements	Mar. 31, 2013 NanoCrystal technology	Mar. 31, 2012 NanoCrystal technology	Mar. 31, 2013 OCR technology	Mar. 31, 2012 OCR technology	Mar. 31, 2012 Trademark
Intangible assets
Gross Carrying Amount		$ 92,740,000	$ 92,740,000
Goodwill		92,740,000	92,740,000
Finite-lived intangible assets:
Weighted Amortizable Life					12 years		13 years		12 years
Gross Carrying Amount		640,600,000	643,200,000		499,700,000	499,700,000	74,600,000	74,600,000	66,300,000	66,300,000	2,600,000
Accumulated Amortization		(64,607,000)	(25,355,000)		(50,143,000)	(17,734,000)	(5,373,000)	(1,839,000)	(9,091,000)	(3,182,000)	(2,600,000)
Net Carrying Amount		575,993,000	617,845,000		449,557,000	481,966,000	69,227,000	72,761,000	57,209,000	63,118,000
Indefinite-lived intangible assets:
Gross carrying amount				45,800,000
Accumulated Amortization				(45,800,000)
Intangible assets
Gross Carrying Amount		640,600,000	689,000,000
Accumulated Amortization		(64,607,000)	(71,155,000)
Net Carrying Amount		575,993,000	617,845,000
Number of Product Candidates Acquired				3
Impairment of goodwill	0
Impairment charge				$ 45,800,000