Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Disposal Groups, Including Discontinued Operations (USD $)	3 Months Ended
	Jun. 30, 2014	Jun. 20, 2014
Watson Product [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received	$ 16,800
Intangible assets disposed	(5,900)
Goodwill disposed	(1,100)
Other assets disposed	(800)
Gain recognized	9,000
ECR Pharmaceuticals Divestiture [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received	41,000	41,000,000
Intangible assets disposed	(33,600)
Goodwill disposed	(10,400)
Other assets disposed	(1,200)
Assumed liabilities divested	5,100
Gain recognized	$ 900