Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v2.4.0.8
Income Taxes - Additional Information (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Tax Disclosure [Abstract]        
Effective income tax rate 22.50% 42.70% 24.70% 44.40%