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Income Taxes
3 Months Ended
Nov. 30, 2020
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
November 30, 2020 November 30, 2019
U.S. federal statutory income tax rate 21.0  % 21.0  %
Effective income tax rate 29.6  % 60.3  %
The effective income tax rate decreased for the three months ended November 30, 2020, compared to the three months ended November 30, 2019, primarily due to increased income for the three months ended November 30, 2020, driven in part by decreased restructuring charges in tax jurisdictions with minimal related income tax benefit.
The effective income tax rate differed from the U.S. federal statutory income tax rate of 21.0% during the three months ended November 30, 2020 and 2019, primarily due to: (i) losses in tax jurisdictions with existing valuation allowances and (ii) tax incentives granted to sites in Brazil, China, Malaysia, Singapore and Vietnam.