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Income Taxes
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Income Taxes Income TaxesThe effective income tax rate was 59.3% for the quarter and 23.6% for the two quarters ended June 30, 2021, compared to 18.1% and 16.5% for the prior year periods, respectively. The 2021 quarterly and year-to-date rates included the impact of excess tax benefits relating to share-based compensation of 13.4% and (1.2)%, respectively. The 2020 quarterly and year-to-date rates included a benefit from the reclassification of cash flow derivatives from accumulated other comprehensive loss, net of 7.0% and 11.7%, respectively.