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Subsequent Events (Details) (USD $)
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12 Months Ended |
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Oct. 31, 2012
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| Subsequent Events Disclosure Details [Abstract] | |
| Business Acquisition Date Of Acquisition Agreement | Nov. 12, 2012 |
| Clifton Group non-employee shareholder percentage | 80.00% |
| Clifton Group principal ownership percentage | 20.00% |
| Effective date of acquisition | Dec. 31, 2012 |
| Dividends payable date declared day month and year | Dec. 04, 2012 |
| Special dividends payable amount per share | $ 1.00 |
| Dividend payable date to be paid day month and year | Dec. 20, 2012 |