Annual report pursuant to Section 13 and 15(d)

Note 13 - Income Taxes - Effective Income Tax rate Reconciliation (Details)

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Note 13 - Income Taxes - Effective Income Tax rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Income tax expense at U.S. Federal statutory tax rate $ 29,616 $ 29,005 $ 16,046
Income tax expense at U.S. Federal statutory tax rate, percent 21.00% 21.00% 21.00%
State and local income taxes, net of U.S. federal income benefit $ 5,203 $ 5,208 $ 2,565
State and local income taxes, net of U.S. federal income benefit, percent 3.70% 3.80% 3.40%
Change in valuation allowance $ 0 $ (591) $ (2,565)
Change in valuation allowance, percent   (0.40%) (3.40%)
Foreign derived intangible income ("FDII") deduction $ 428 $ 289 $ 130
Foreign derived intangible income ("FDII") deduction, percent 0.30% 0.20% 0.20%
Foreign derived intangible income ("FDII") deduction $ (428) $ (289) $ (130)
Foreign derived intangible income ("FDII") deduction (0.30%) (0.20%) (0.20%)
Unrecognized tax benefits $ (229) $ 390 $ 48
Unrecognized tax benefits, percent (0.20%) 0.30% 0.10%
Share-based compensation $ 5 $ 189 $ 72
Share-based compensation, percent 0.00% 0.10% 0.10%
Other, net $ 195 $ 929 $ 370
Other, net, percent 0.20% 0.60% 0.50%
Total income tax expense $ 35,218 $ 34,841 $ 16,406
Total income tax expense (and corresponding effective tax rate), percent 25.00% 25.20% 21.50%