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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of Reconciliation of the U.S. Federal Statutory Rate to Effective Tax Rate
A reconciliation of the U.S. federal statutory rate to our effective tax rate is as follows:
 
For the Three Months Ended 
 March 31,
 
2017
 
2016
U.S. federal statutory rate
35.0
 %
 
35.0
%
    State income taxes
1.7
 %
 
1.9
%
    Excess tax benefits from stock-based compensation plans
-1.6
 %
 
%
    Other
0.2
 %
 
0.3
%
Effective tax rate
35.3
 %
 
37.2
%