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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 | 6 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015
Unrealized gain (loss) | $ 493 | $ 434 | $ 554 | $ (44)
Interest Rate Swap [Member] |  |  |  |
Unrealized gain (loss) | 465 | 307 | 628 | (245)
Foreign Exchange Contract [Member] |  |  |  |
Unrealized gain (loss) | $ 28 | $ 127 | $ (74) | $ 201

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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=64837297&loc=SL5624171-113959 + Details
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