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Income Taxes
9 Months Ended
Sep. 30, 2021
Income Tax Disclosure [Abstract]  
Income Taxes

5. Income Taxes

During the 2021 second quarter, the United Kingdom enacted an increase in its corporate income tax rates from 19% to 25% effective April 1, 2023, which resulted in a one-time adjustment to our net deferred tax liabilities of approximately $43 million. Similarly, in the 2020 third quarter, we incurred an approximate $9 million charge for the change in the corporate income tax rate from 17% to 19% in the United Kingdom.