Principles of Consolidation	3 Months Ended
Jan. 31, 2013
Principles Of Consolidation Disclosure [Abstract]
Principles of Consolidation	2. Principles of Consolidation The Consolidated Financial Statements include the accounts of the Company and its controlled subsidiaries. The Company consolidates all investments in affiliates in which the Company's ownership exceeds 50 percent or where the Company has control. In addition, the Company consolidates any variable interest entity (“VIE”) (including the CLO referred to in Note 9) for which the Company is considered the primary beneficiary. The Company recognizes non-controlling and other beneficial interests in consolidated subsidiaries for which the Company's ownership is less than 100 percent. The equity method of accounting is used for investments in non-controlled affiliates in which the Company's ownership ranges from 20 to 50 percent, or in instances in which the Company is able to exercise significant influence but not control (such as representation on the investee's Board of Directors). All intercompany accounts and transactions have been eliminated in consolidation. From time to time, the Company may maintain a controlling financial interest in a sponsored fund. Upon consolidation, the Company applies the specialized accounting treatment of the fund. All of the underlying investments held by consolidated funds are carried at fair value, with corresponding changes in fair value reflected in gains and other investment income, net, in the Company's Consolidated Statements of Income. When the Company is no longer deemed to control the fund, the fund is deconsolidated and accounted for under another accounting method.

Principles of Consolidation

3 Months Ended

Jan. 31, 2013

Principles Of Consolidation Disclosure [Abstract]

2. Principles of Consolidation

The Consolidated Financial Statements include the accounts of the Company and its controlled subsidiaries. The Company consolidates all investments in affiliates in which the Company's ownership exceeds 50 percent or where the Company has control. In addition, the Company consolidates any variable interest entity (“VIE”) (including the CLO referred to in Note 9) for which the Company is considered the primary beneficiary. The Company recognizes non-controlling and other beneficial interests in consolidated subsidiaries for which the Company's ownership is less than 100 percent. The equity method of accounting is used for investments in non-controlled affiliates in which the Company's ownership ranges from 20 to 50 percent, or in instances in which the Company is able to exercise significant influence but not control (such as representation on the investee's Board of Directors). All intercompany accounts and transactions have been eliminated in consolidation.

From time to time, the Company may maintain a controlling financial interest in a sponsored fund. Upon consolidation, the Company applies the specialized accounting treatment of the fund. All of the underlying investments held by consolidated funds are carried at fair value, with corresponding changes in fair value reflected in gains and other investment income, net, in the Company's Consolidated Statements of Income. When the Company is no longer deemed to control the fund, the fund is deconsolidated and accounted for under another accounting method.