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Note 6 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Jun. 30, 2017
--- | --- | ---
Cost | $ 139,944 | $ 135,051
Accumulated amortization | (37,728) | (32,548)
Intangible assets, net | 102,216 | 102,503
Trademarks [Member] |  |
Cost | 20,515 | 18,715
Accumulated amortization |  |
Intangible assets, net | 20,515 | 18,715
Customer Relationships [Member] |  |
Cost | 67,095 | 64,247
Accumulated amortization | (31,450) | (28,764)
Intangible assets, net | 35,645 | 35,483
Acquired Technology [Member] |  |
Cost | 47,426 | 47,586
Accumulated amortization | (2,776) | (826)
Intangible assets, net | 44,650 | 46,760
Other Intangible Assets [Member] |  |
Cost | 4,908 | 4,503
Accumulated amortization | (3,502) | (2,958)
Intangible assets, net | $ 1,406 | $ 1,545

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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