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Note 6 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Jun. 30, 2017
Cost $ 143,442 $ 135,051
Accumulated amortization (40,390) (32,548)
Intangible assets, net 103,052 102,503
Trademarks [Member]    
Cost 20,451 18,715
Accumulated amortization
Intangible assets, net 20,451 18,715
Customer Relationships [Member]    
Cost 67,727 64,247
Accumulated amortization (33,046) (28,764)
Intangible assets, net 34,681 35,483
Acquired Technology [Member]    
Cost 50,313 47,586
Accumulated amortization (3,926) (826)
Intangible assets, net 46,387 46,760
Other Intangible Assets [Member]    
Cost 4,951 4,503
Accumulated amortization (3,418) (2,958)
Intangible assets, net $ 1,533 $ 1,545