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Note 7 - Debt - Long-term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Jun. 30, 2017
Funded debt $ 194,000 $ 192,506
Issuance costs (228) (530)
Total long-term debt 193,772 191,976
Line of Credit [Member]    
Funded debt 194,000 192,500
Other Funded Debt [Member]    
Funded debt $ 6