Note 15 - Income Taxes - Reconciliation of Income Tax Rate (Details)	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Reconciliation to effective tax rate:
Provision for income taxes at the anticipated annual tax rate	32.00%	35.60%
Uncertain tax positions	(1.30%)	(0.30%)
Deferred tax asset adjustment	(6.70%)
Other	(0.80%)	(0.40%)
Effective tax rate	23.20%	34.90%