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Income Taxes
9 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The effective tax rate for the three months ended March 31, 2021 and 2020 was 24.0% and 23.8%, respectively. The increase in the effective tax rate is primarily due to the benefit of a foreign tax law change in the three months ended March 31, 2020 and a decrease in the excess tax benefit on stock-based compensation, partially offset by higher reserves for uncertain tax positions and foreign withholding taxes on future distributions in the three months ended March 31, 2020.

The effective tax rate for the nine months ended March 31, 2021 and 2020 was 22.7% and 22.5%, respectively. The increase in the effective tax rate is primarily due to the benefit from a valuation allowance release related to foreign tax credits carryforwards in the nine months ended March 31, 2020 and a decrease in the excess tax benefit on stock-based compensation, partially offset by favorable adjustments to prior year tax liabilities and the benefits from a foreign tax election in the nine months ended March 31, 2021.