Note 15 - Income Taxes - Reconciliation of Income Tax Rate (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Provision for income taxes at the anticipated annual tax rate	32.70%	25.30%	27.90%	26.00%
Uncertain tax positions	1.30%	2.60%	0.20%	0.30%
Other	0.00%	0.00%	0.80%	0.00%
Share-based compensation	3.40%	0.00%	5.10%	2.90%
Effective tax rate	30.60%	27.90%	23.80%	23.40%