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Income Taxes
 3 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes

5. Income Taxes

The Company's consolidated effective income tax rate may change periodically due to changes in enacted tax rates, fluctuations in the mix of income earned from the Company's various domestic and international operations, which are subject to income taxes at different rates, the Company's ability to utilize net operating loss and tax credit carryforwards, amounts related to uncertain income tax positions and goodwill impairments.

The provision for income taxes on consolidated income before income taxes totaled a provision of $5,271,000 and $2,426,000 for the three months ended March 31, 2023 and 2022, respectively. The overall effective tax rate increased to 32.9% for the three months ended March 31, 2023 compared with 32.0% for the 2022 period primarily due to losses in certain international operations.