|
Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified |
6 Months Ended |
|---|---|
|
Apr. 30, 2013
|
|
| Commitments And Contingencies Disclosure Details [Abstract] | |
| Private equity partnership commitments | $ 15.0 |
| Total private equity invested capital | 13.9 |
| Total remaining commitment expected to be invested | $ 1.1 |
| The date the remaining commitment is expected to be invested by | March-15 |