XML 28 R15.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes Income Taxes (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Income Tax Disclosure [Abstract]        
Tax provision at the 35% statutory rate 35.00% 35.00% 35.00% 35.00%
Effective tax rate 37.10% 36.90% 38.70% 37.30%