| Note 2 - Selected Balance Sheet Data - Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Jun. 30, 2016 | 
|---|---|---|
| Intangible assets | $ 589,648 | $ 378,719 | 
| Accumulated amortization | (96,106) | (75,595) | 
| Net amortizable intangible asset | 493,542 | 303,124 | 
| Intangible assets, net | 493,542 | 310,524 | 
| In Process Research and Development, Not Amortizable [Member] | ||
| In process research and development | 7,400 | |
| Developed Technology Rights [Member] | ||
| Intangible assets | 232,557 | 120,611 | 
| Trade Names [Member] | ||
| Intangible assets | 81,554 | 63,706 | 
| Customer Relationships [Member] | ||
| Intangible assets | 272,082 | 191,118 | 
| Noncompete Agreements [Member] | ||
| Intangible assets | $ 3,455 | $ 3,284 | 
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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