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Income Taxes
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
Income Taxes INCOME TAXES
For the three months ended March 31, 2021, we recorded an income tax benefit of $1.6 million compared with income tax benefit of $2.2 million for three months ended March 31, 2020, respectively. Our effective tax rate was 33.4% for the three months ended March 31, 2021 compared with 13.1% in the prior year period. The change in our income benefit was primarily due to a lower pretax loss during the first quarter of 2021 and changes in our effective tax rate. The change in our effective tax rate was primarily associated with discrete tax items, including excess tax benefits associated with the Company's stock-based compensation arrangements, and a shift in the geographic mix of pretax income expected for the full year 2021.
Our quarterly estimate of our annual effective tax rate, and our quarterly provision for income tax (benefit) expense, are subject to significant variation due to numerous factors, including variability in accurately predicting our pretax and taxable income or loss and the mix of jurisdictions to which they relate, as well as the amount of pretax income or loss recognized during the quarter.