XML 88 R42.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Income Taxes [Abstract]        
Effective income tax rate 7.00% 30.30% 36.00% 31.00%