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Note 10 - Derivative Financial Instruments - Gain (Loss) Recognized in Comprehensive Income on Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016
Unrealized gain (loss) | $ 774 | $ 61
Interest Rate Swap [Member] |  |
Unrealized gain (loss) | 286 | 163
Foreign Exchange Contract [Member] |  |
Unrealized gain (loss) | $ 488 | $ (102)

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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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