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, 2019
Jun. 30, 2018
Jun. 30, 2017
Income tax expense at federal statutory rate 21.00% 28.10% 35.00%
State income taxes, net of federal benefit 0.80% 2.50% 1.90%
Qualified production activity deduction (2.40%) (3.40%)
Research and development tax credit (1.60%) (1.40%) (1.40%)
Contingent consideration adjustment (0.40%) 3.30% 4.10%
Foreign tax rate differences 0.20% (3.50%) (4.60%)
Option exercises (5.80%) (1.80%)
Domestic tax legislation changes 1.70% (26.20%)
State apportionment changes (2.30%)
Other, net 0.60% 1.20% 0.40%
Effective tax rate 14.20% (0.20%) 32.00%