v2.4.0.6
Income Taxes (Details)
3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Income Taxes        
Effective income tax rate 41.80% 43.40% 43.30% 44.80%
U.S. federal tax at statutory rates (as a percent)     35.00%