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Note 2 - Acquisitions - Components of Acquisition Related Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Deferred compensation arrangements $ 703 $ 1,405
Acquisition-related costs 4,719 5,520
Total $ 5,422 $ 6,925