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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesThe Company is subject to U.S. federal, state, and foreign income taxes. The Company's effective tax rate was 11.0% and 6.6% for the three months ended March 31, 2021 and 2020, respectively. The Company's effective tax rate for the three months ended March 31, 2021 was positively impacted, compared to the U.S. federal statutory rate, primarily by the reversal of liabilities related to uncertain tax positions, stock-based compensation, income earned in foreign jurisdictions with tax rates lower than the U.S. federal statutory rate, and federal tax credits for research activities. The Company's federal income tax returns for 2015 through 2018 are currently under audit by the Internal Revenue Service ("IRS"). During the first quarter of 2021, we reduced the amount of liabilities for uncertain tax positions related to the Company’s federal income tax returns for 2015 and 2016, and the audits of such tax years are expected to conclude in the next 12 months. The Company's effective tax rate for the three months ended March 31, 2020 was positively impacted, compared to the U.S. federal statutory rate, primarily by stock-based compensation, and, to a lesser extent, income earned in foreign jurisdictions with tax rates lower than the U.S. federal statutory rate and federal tax credits for research activities.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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