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Income Taxes (Effective Income Tax Rates) (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Consolidated effective tax rate 24.20% 30.30% 32.80% 34.20%
Federal statutory tax rate 35.00% 35.00% 35.00% 35.00%
Income tax rate capital gains 20.00%