Note 10 - Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Federal	$ 11,057	$ 2,229	$ 11,014
State	498	230	523
Non-U.S.	21,674	13,017	11,514
Total Current	33,229	15,476	23,051
Federal	2,012	2,141	(5,214)
State	1,091	(290)	(1,060)
Non-U.S.	4,288	(1,972)	(482)
Total Deferred	7,391	(121)	(6,756)
Total	$ 40,620	$ 15,355	$ 16,295