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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2023
Income Tax Disclosure [Abstract]  
Schedule of Interest And Penalties
June 30, 2023December 31, 2022
Gross liability for unrecognized tax benefits, exclusive of interest and penalties$16,741 $15,204 
Interest and penalties on unrecognized benefits1,630 1,118 
Total gross uncertain tax positions$18,371 $16,322 
Amount included in Current liabilities$4,168 $4,065 
Amount included in Other long-term liabilities14,203 12,257 
$18,371 $16,322 
Schedule of Effective Income Tax Rate Reconciliation
The effective income tax rate for the three and six months ended June 30, 2023 and 2022 differs from the federal income tax statutory rate due to the following:
Three Months Ended June 30,Six Months Ended June 30,
2023202220232022
Statutory rate21.0 %21.0 %21.0 %21.0 %
State taxes, net of federal tax benefit2.8 2.8 2.8 2.8 
Foreign tax expense and tax rate differential(0.2)(0.1)(0.2)(0.1)
Tax benefit from stock option exercises(0.1)(0.3)(0.2)(0.3)
Other, net(0.1)(0.3)0.1 (0.3)
23.4 %23.1 %23.5 %23.1 %