v3.20.2
Difference Between Income Taxes Computed at Federal Statutory Rate and Provision for Income Taxes (Detail)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]      
Federal statutory rate 21.00% 21.00% 28.10%
Effect of:      
Foreign earnings taxed at lower rates (3.70%) (4.10%) (7.80%)
Impact of the enactment of the TCJA 0.00% 0.40% 37.70%
Impact of intangible property transfers 0.00% (5.90%) 0.00%
Foreign-derived intangible income deduction (1.10%) (1.40%) 0.00%
State income taxes, net of federal benefit 1.30% 0.70% 1.30%
Research and development credit (1.10%) (1.10%) (1.30%)
Excess tax benefits relating to stock-based compensation (2.20%) (2.20%) (2.50%)
Interest, net 1.00% 1.00% 1.20%
Other reconciling items, net 1.30% 1.80% (2.10%)
Effective rate 16.50% 10.20% 54.60%