Annual report pursuant to Section 13 and 15(d)

Note 11 - Income Taxes - Reconciliation of Federal Tax Calculated at Statutory Rate (Details)

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Note 11 - Income Taxes - Reconciliation of Federal Tax Calculated at Statutory Rate (Details)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Income tax expense at federal statutory rate 21.00% 21.00% 21.00%
State income taxes, net of federal benefit 0.60% 2.30% (1.50%)
Research and development tax credit (1.80%) (0.70%) (1.60%)
Contingent consideration adjustment 0.80% (0.20%) (0.40%)
Foreign tax rate differences 0.80% (0.20%) 0.20%
Option exercises (16.90%) (5.70%) (5.80%)
U.S. taxation of foreign earnings (0.10%) 0.90% 3.70%
Foreign derived intangible income (5.10%) (0.90%) (2.00%)
Executive compensation limitations 6.50% 1.60% 0.40%
Other, net 0.00% (1.00%) 0.20%
Effective tax rate 5.80% 17.10% 14.20%