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Note 6 - Intangible Assets and Goodwill (Details Textual) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013
Developed Technology Rights [Member] | Cost of Sales [Member] |  |  |
Amortization of Intangible Assets | $ 9.5 | $ 4.2 | $ 3.0
Trade Names, Customer Relationships, and Non-compete Agreement [Member] | Selling, General and Administrative Expense [Member] |  |  |
Amortization of Intangible Assets | $ 16.7 | $ 6.1 | $ 2.1

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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