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Income Taxes
3 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]  
Income Taxes INCOME TAXESOur effective tax rate for the three months ended March 31, 2021 and 2020 was (26)% and 68%, respectively. The difference between our effective tax rate and the U.S. federal statutory rate of 21% in both periods was primarily the result of foreign income taxed at different rates, discrete tax adjustments including benefits related to stock-based compensation, and for the three months ended March 31, 2020, tax expense related to the intra-group transfer of intellectual property.