Note 11 - Business Combinations, Dispositions and Other Strategic Investments (Details) - Consideration Paid Hi-Tech Acquisition and The Fair Value (USD $) In Millions, unless otherwise specified	1 Months Ended
Apr. 17, 2014
Cash Paid to Hi-Tech Stockholders [Member]
Business Acquisition [Line Items]
Cash Paid to Hi-Tech	$ 605.0
Cash Paid to Vested Hi-Tech Option Holders [Member]
Business Acquisition [Line Items]
Cash Paid to Hi-Tech	40.5
Cash Paid to Key Executives [Member]
Business Acquisition [Line Items]
Cash Paid to Hi-Tech	4.1
Hi-Tech Pharmacal Co., Inc [Member]
Business Acquisition [Line Items]
Cash Paid to Hi-Tech	$ 649.6

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration