Note 3 - Selected Balance Sheet Data - Intangible Assets (Details) - USD ($) $ in Thousands  | 
Sep. 30, 2019  | 
Jun. 30, 2019  | 
|---|---|---|
| Intangible assets | $ 797,006 | $ 799,428 | 
| Accumulated amortization | (233,668) | (219,999) | 
| Intangible assets, net | 563,338 | 579,429 | 
| Developed Technology Rights [Member] | ||
| Intangible assets | 434,901 | 435,679 | 
| Trade Names [Member] | ||
| Intangible assets | 146,950 | 147,296 | 
| Customer Relationships [Member] | ||
| Intangible assets | 212,913 | 214,320 | 
| Patents [Member] | ||
| Intangible assets | $ 2,242 | $ 2,133 | 
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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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/disclosureRef 
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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://fasb.org/us-gaap/role/ref/legacyRef 
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