XML 28 R47.htm IDEA: XBRL DOCUMENT v3.2.0.727
Income Taxes (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income Tax Disclosure [Abstract]        
Effective tax rate (in hundredths) 25.50% 27.70% 27.10% 27.70%