|
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
|
Oct. 31, 2011
|
Oct. 31, 2010
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
$ 287,735 |
$ 334,409 |
| Bank loans and other investments |
462,586 |
0 |
| Senior and subordinated note obligations |
477,699 |
0 |
|
Corporate Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
4,832 |
4,732 |
|
Consolidated Funds [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
74,434 |
88,184 |
|
Consolidated Funds [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
69,083 |
111,585 |
|
Separately Managed Accounts [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
33,553 |
28,692 |
|
Separately Managed Accounts [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
11,307 |
3,666 |
|
Available-for-sale Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
39,841 |
37,541 |
|
Collateralized Loan Obligations [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
278 |
1,391 |
|
Equity Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
46,900 |
51,111 |
|
Cost Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
7,507 |
7,507 |
|
Level 1 [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash equivalents |
6,691 |
1,291 |
| Investments |
150,226 |
116,425 |
|
Level 1 [Member] | Other Financial Assets [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total other financial assets |
15,914 |
|
|
Level 1 [Member] | Other Financial Assets [Member] | Assets Of Consolidated Collateralized Loan Obligation Entity [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash equivalents |
15,829 |
|
| Bank loans and other investments |
85 |
|
|
Level 1 [Member] | Consolidated Funds [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
69,279 |
45,135 |
|
Level 1 [Member] | Consolidated Funds [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
6,879 |
9,372 |
|
Level 1 [Member] | Separately Managed Accounts [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
33,511 |
27,724 |
|
Level 1 [Member] | Separately Managed Accounts [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
4,429 |
|
|
Level 1 [Member] | Available-for-sale Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
36,128 |
34,194 |
|
Level 2 [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash equivalents |
360,676 |
90,416 |
| Investments |
82,861 |
158,012 |
|
Level 2 [Member] | Financial Liabilities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative financial liabilities |
6,654 |
3,519 |
| Securities sold, not yet purchased |
6,270 |
731 |
| Total financial liabilities |
12,924 |
4,250 |
|
Level 2 [Member] | Other Financial Assets [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative financial assets |
1,060 |
582 |
| Total other financial assets |
457,651 |
|
|
Level 2 [Member] | Other Financial Assets [Member] | Assets Of Consolidated Collateralized Loan Obligation Entity [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Bank loans and other investments |
456,591 |
|
|
Level 2 [Member] | Corporate Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
4,832 |
4,732 |
|
Level 2 [Member] | Consolidated Funds [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
5,155 |
43,049 |
|
Level 2 [Member] | Consolidated Funds [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
62,204 |
102,213 |
|
Level 2 [Member] | Separately Managed Accounts [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
42 |
968 |
|
Level 2 [Member] | Separately Managed Accounts [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
6,878 |
3,666 |
|
Level 2 [Member] | Available-for-sale Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
3,713 |
3,347 |
|
Level 2 [Member] | Cost Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
37 |
37 |
|
Level 3 [Member] | Financial Liabilities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total financial liabilities |
477,699 |
|
|
Level 3 [Member] | Financial Liabilities [Member] | Liabilities Of Consolidated Collateralized Loan Obligation Entity [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Senior and subordinated note obligations |
477,699 |
|
|
Level 3 [Member] | Other Financial Assets [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total other financial assets |
5,910 |
|
|
Level 3 [Member] | Other Financial Assets [Member] | Assets Of Consolidated Collateralized Loan Obligation Entity [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Bank loans and other investments |
5,910 |
|
|
Other Assets Not Held At Fair Value Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
54,648 |
59,972 |
|
Other Assets Not Held At Fair Value Investments [Member] | Collateralized Loan Obligations [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
278 |
1,391 |
|
Other Assets Not Held At Fair Value Investments [Member] | Equity Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
46,900 |
51,111 |
|
Other Assets Not Held At Fair Value Investments [Member] | Cost Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
7,470 |
7,470 |
|
Total Fair Value [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash equivalents |
367,367 |
91,707 |
| Investments |
287,735 |
334,409 |
|
Total Fair Value [Member] | Financial Liabilities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative financial liabilities |
6,654 |
3,519 |
| Securities sold, not yet purchased |
6,270 |
731 |
| Total financial liabilities |
490,623 |
4,250 |
|
Total Fair Value [Member] | Financial Liabilities [Member] | Liabilities Of Consolidated Collateralized Loan Obligation Entity [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Senior and subordinated note obligations |
477,699 |
|
|
Total Fair Value [Member] | Other Financial Assets [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative financial assets |
1,060 |
582 |
| Total other financial assets |
479,475 |
|
|
Total Fair Value [Member] | Other Financial Assets [Member] | Assets Of Consolidated Collateralized Loan Obligation Entity [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash equivalents |
15,829 |
|
| Bank loans and other investments |
462,586 |
|
|
Total Fair Value [Member] | Corporate Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
4,832 |
4,732 |
|
Total Fair Value [Member] | Consolidated Funds [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
74,434 |
88,184 |
|
Total Fair Value [Member] | Consolidated Funds [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
69,083 |
111,585 |
|
Total Fair Value [Member] | Separately Managed Accounts [Member] | Equity Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
33,553 |
28,692 |
|
Total Fair Value [Member] | Separately Managed Accounts [Member] | Debt Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
11,307 |
3,666 |
|
Total Fair Value [Member] | Available-for-sale Securities [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
39,841 |
37,541 |
|
Total Fair Value [Member] | Collateralized Loan Obligations [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
278 |
1,391 |
|
Total Fair Value [Member] | Equity Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
46,900 |
51,111 |
|
Total Fair Value [Member] | Cost Method Investments [Member]
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Investments |
$ 7,507 |
$ 7,507 |