Note 14 - Income Taxes - Reconciliation of Income Tax Rate (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Provision for income taxes at the anticipated annual tax rate	25.60%	21.50%	26.30%	24.00%
Uncertain tax positions	(2.80%)	(1.20%)	(0.60%)	0.00%
Deferred Income Tax Adjustment	0.00%	(1.90%)	0.00%	0.00%
Share-based compensation	2.70%	0.30%	4.20%	(0.80%)
Effective tax rate	20.10%	18.10%	21.50%	24.80%