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Note 3 - Derivative Instruments and Hedging Activities (Details) - Fair Value of Derivatives - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Commodity Contract [Member]
Note 3 - Derivative Instruments and Hedging Activities (Details) - Fair Value of Derivatives [Line Items]
Net derivatives	$ (979)	$ (515)
Foreign Exchange Contract [Member]
Note 3 - Derivative Instruments and Hedging Activities (Details) - Fair Value of Derivatives [Line Items]
Net derivatives	(41)	(149)
Interest Rate Swap [Member]
Note 3 - Derivative Instruments and Hedging Activities (Details) - Fair Value of Derivatives [Line Items]
Net derivatives	$ (2,688)	$ (1,045)

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- References

No definition available.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 45



-Paragraph 6



-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 45



-Paragraph 5



-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 825



-SubTopic 10



-Section 50



-Paragraph 10



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 825



-SubTopic 10



-Section 50



-Paragraph 15



-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611

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