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Income Taxes
3 Months Ended
Aug. 31, 2019
Income Taxes [Abstract]  
Income Taxes Note O: Income Taxes

The Company’s effective income tax rate was 23.3% and 24.5% for the three months ended August 31, 2019 and August 31, 2018, respectively. The effective income tax rate in the prior year included discrete tax expense related to the revaluation of deferred tax balances for legislative updates. The effective income tax rates in both periods were impacted by the recognition of net discrete tax benefits related to employee stock-based compensation payments.