Note 12 - Employee Benefit and Retirement Plans - Reconciliation of Level 3 Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Beginning balance	$ 115,015
Actual return on plan assets	5,302	$ 226	$ 3,466
Ending balance	117,778	115,015
Fair Value, Inputs, Level 3 [Member]
Beginning balance	2,810	4,084
Actual return on plan assets		(718)
Translation gain (loss)		(556)
Transferred out of Level 3	(2,810)
Ending balance		$ 2,810	$ 4,084