|
Variable Interest Entities Investments in VIEs That Are Not Consolidated (Details) (USD $)
|
12 Months Ended |
|
Oct. 31, 2011
NrEntities
|
Oct. 31, 2010
NrEntities
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| Investments In Variable Interest Entities That Are Not Consolidated Details [Abstract] |
|
|
| The total non-consolidated CLO entities |
3 |
3 |
| Total assets held by the non-consolidated entities |
$ 1,900,000,000 |
$ 1,900,000,000 |
| Total collateral management fees receivable held by the Company in non-consolidated entities |
3,000,000 |
1,800,000 |
| Other Entities Variable Interest Entity In Non Consolidated Entities [Abstract] |
|
|
| Total assets of the privately offered equity funds that the Company holds a variable interest in but is not deemed to be a primary beneficiary |
9,600,000,000 |
10,900,000,000 |
| Total investments of the privately offered equity funds that the Company holds a variable interest in but is not deemed to be a primary beneficiary |
3,700,000 |
3,300,000 |
| Total investment advisory fees receivable of the privately offered equity funds that the Company holds a variable interest in but is not deemed to be a primary beneficiary |
$ 400,000 |
$ 400,000 |