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Income Taxes
9 Months Ended
May 31, 2021
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
Effective Income Tax Rate
The U.S. federal statutory income tax rate and the Company's effective income tax rate are as follows:
Three months ended Nine months ended
May 31, 2021 May 31, 2020 May 31, 2021 May 31, 2020
U.S. federal statutory income tax rate 21.0  % 21.0  % 21.0  % 21.0  %
Effective income tax rate 20.3  % 465.0  % 26.0  % 108.3  %
The effective income tax rate decreased for the three months and nine months ended May 31, 2021, compared to the three months and nine months ended May 31, 2020, primarily due to: (i) increased income for the three months and nine months ended May 31, 2021, driven in part by decreased restructuring charges in tax jurisdictions with minimal related income tax benefit and (ii) a $21.2 million income tax expense associated with the re-measurement of deferred tax assets related to an extension of a non-U.S. tax incentive recorded during the three months ended May 31, 2020.
The effective income tax rate differed from the U.S. federal statutory income tax rate of 21.0% during the three months and nine months ended May 31, 2021 and 2020, primarily due to: (i) losses in tax jurisdictions with existing valuation allowances, (ii) tax incentives granted to sites in Brazil, China, Malaysia, Singapore and Vietnam and (iii) a $21.2 million income tax expense associated with the re-measurement of deferred tax assets related to an extension of a non-U.S. tax incentive recorded during the three months ended May 31, 2020.