XML 51 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes (Tables)
6 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]  
Reconciliation of Effective Income Taxes Rate
The effective tax rates for the three and six-month periods ended June 30, 2018 and 2017 were:
 
Three Months Ended
 
Six Months Ended
 
June 30,

June 30,

June 30,

June 30,
 
2018

2017
 
2018

2017
Effective tax rate
37.7
%
 
28.4
%
 
30.2
%
 
29.4
%