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Income Taxes
 3 Months Ended
Nov. 30, 2022
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
We apply an estimated annual effective tax rate to our year-to-date operating results to determine the interim provision for income tax expense. In addition, we recognize taxes related to unusual or infrequent items or resulting from a change in judgment regarding a position taken in a prior year as discrete items in the interim period in which the event occurs.
Our effective tax rates for the three months ended November 30, 2022 and 2021 were 23.3% and 24.4%, respectively. The lower effective tax rate for the three months ended November 30, 2022 was primarily due to lower tax expense from adjustments to prior year tax liabilities.