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Note 9 - 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, 2017 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016
Unrealized gain (loss) | $ (2,351) | $ 493 | $ (1,577) | $ 554
Interest Rate Swap [Member] |  |  |  |
Unrealized gain (loss) | 131 | 465 | 417 | 628
Foreign Exchange Contract [Member] |  |  |  |
Unrealized gain (loss) | $ (2,482) | $ 28 | $ (1,994) | $ (74)

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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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