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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]  
Reconciliation of Effective Income Taxes Rate The effective tax rates for the three-month periods ended March 31, 2019 and 2018 are as follows:
 
Three Months Ended
 
March 31,

March 31,
 
2019

2018
Effective tax rate
20.0
%
 
24.5
%