XML 56 R17.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes
9 Months Ended
Sep. 30, 2014
Income Tax Disclosure [Abstract]  
Income Taxes
INCOME TAXES

A reconciliation of the U.S. federal statutory rate to our effective tax rate is as follows:
 
For the Three Months Ended 
 September 30,
 
For the Nine Months Ended 
 September 30,
 
2014
 
2013
 
2014
 
2013
U.S. federal statutory rate
35.0
 %
 
35.0
 %
 
35.0
 %
 
35.0
 %
    State income taxes
1.3
 %
 
1.4
 %
 
1.9
 %
 
1.6
 %
    Changes in reserve for uncertain tax positions as a result of settlements and lapsed statutes and related interest
-0.4
 %
 
-0.3
 %
 
-0.4
 %
 
-0.3
 %
    Other
-0.1
 %
 
0.2
 %
 
0.1
 %
 
0.2
 %
Effective tax rate
35.8
 %
 
36.3
 %
 
36.6
 %
 
36.5
 %


The differences between the U.S. federal statutory rate and our effective tax rate are primarily due to state income taxes and reserves for uncertain tax positions and related interest that are included in the provision for income taxes.