Note 12 - Employee Retirement Programs (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 3.4	$ 3.3	$ 2.8
Other Postretirement Benefit Expense	$ 3.6	$ 3.7	$ 3.5