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INCOME TAX
6 Months Ended
Jun. 30, 2023
INCOME TAX [Abstract]  
INCOME TAX
3.  INCOME TAX

Our effective tax rate for the three and six months ended June 30, 2023 and 2022 was 32.9% and 23.2%, respectively.  Our effective tax rate for the six months ended June 30, 2023 and 2022 was 31.1% and 26.3%, respectively.  Our effective tax rate differs from the federal statutory rate primarily due to U.S. state income tax expense, expenses that are nondeductible for tax purposes, the change in our valuation allowance associated with our deferred tax assets, and differences in tax rates in foreign jurisdictions.