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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Reconciliation of Statutory Federal Income Tax Rate to Our Effective Rate for Continuing Operations

A reconciliation of the statutory federal income tax rate to our effective rate for continuing operations is provided below:

 

 

 

Three Months Ended

June 30,

 

 

Six Months Ended

June 30,

 

 

 

2021

 

 

2020

 

 

2021

 

 

2020

 

Statutory federal income tax rate

 

 

21.0

%

 

 

21.0

%

 

 

21.0

%

 

 

21.0

%

State income taxes, net of federal income tax

 

 

2.9

 

 

 

3.4

 

 

 

2.6

 

 

 

3.3

 

Stock-based compensation windfall benefit

 

 

(0.5

)

 

 

(0.2

)

 

 

(0.9

)

 

 

(1.4

)

Permanent differences and other

 

 

0.4

 

 

 

(1.2

)

 

 

0.2

 

 

 

(1.6

)

 

 

 

23.8

%

 

 

23.0

%

 

 

22.9

%

 

 

21.3

%