Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Oct. 31, 2011
Amortizing intangible assets:
Accumulated amortization	$ (54,809)	$ (50,811)
Intangible assets
Gross intangible assets	118,035	118,035
Accumulated amortization	(54,809)	(50,811)
Intangible assets, net	63,226	67,224
Mutual Fund Management Contract Acquired [Member]
Non-amortizing intangible assets:
Net carrying amount	6,708	6,708
Client Relationships Acquired [Member]
Amortizing intangible assets:
Gross carrying amount	110,327	110,327
Accumulated amortization	(54,715)	(50,749)
Net carrying amount	55,612	59,578
Intangible assets
Accumulated amortization	(54,715)	(50,749)
Intellectual Property Acquired [Member]
Amortizing intangible assets:
Gross carrying amount	1,000	1,000
Accumulated amortization	(94)	(62)
Net carrying amount	906	938
Intangible assets
Accumulated amortization	$ (94)	$ (62)

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Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived and indefinate lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Amount also includes the total non-amortizing intangible assets.

+ References

No definition available.

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The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

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Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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Carrying amount of intangible assets, excluding goodwill, which have a projected indefinite period of benefit (hence are not amortized), allocated to the reportable segment. These assets, acquired either individually or as part of a group of assets, in either an asset acquisition or business combination, are assessed at least annually for impairment. Examples may include trade secrets, contractual rights, trade names, and licensing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 42, 45

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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