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, 2020
Jun. 30, 2019
Jun. 30, 2018
Income tax expense at federal statutory rate 21.00% 21.00% 28.10%
State income taxes, net of federal benefit 2.30% 0.80% 2.50%
Qualified production activity deduction 0.00% 0.00% (2.40%)
Research and development tax credit (0.70%) (1.60%) (1.40%)
Contingent consideration adjustment (0.20%) (0.40%) 3.30%
Foreign tax rate differences (0.20%) 0.20% (3.50%)
Option exercises (5.70%) (5.80%) (1.80%)
Domestic tax legislation changes 0.00% 1.70% (26.20%)
State apportionment changes 0.00% (2.30%) 0.00%
Executive compensation limitations 1.60% 0.40% 0.00%
Other, net (1.00%) 0.20% 1.20%
Effective tax rate 17.10% 14.20% (0.20%)