Note 15 - Income Taxes - Reconciliation of Income Tax Rate (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Provision for income taxes at the anticipated annual tax rate	24.90%	26.70%	24.80%	26.20%
Uncertain tax positions	(0.50%)	(1.50%)	0.50%	(0.20%)
Deferred income tax adjustment	0.00%	0.00%	0.00%	1.10%
Share-based compensation	0.00%	2.00%	0.50%	5.80%
Effective tax rate	24.40%	23.20%	24.80%	21.30%