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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