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Acquisitions (Identifiable Intangible Assets As Of The Acquisition Date) (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
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Dec. 31, 2012
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| Identifiable intangible assets , amount | $ 76,458 |
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Technology [Member]
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| Identifiable intangible assets , amount | 20,996 |
| Identifiable intangible assets, useful life | 7 years 8 months 12 days |
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Relationships With Financial Advisors [Member]
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| Identifiable intangible assets , amount | 43,188 |
| Identifiable intangible assets, useful life | 9 years 2 months 12 days |
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Trade Names [Member]
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| Identifiable intangible assets , amount | 12,267 |
| Identifiable intangible assets, useful life | 7 years 2 months 12 days |
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Non Solicitation Agreement [Member]
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| Identifiable intangible assets , amount | $ 7 |
| Identifiable intangible assets, useful life | 2 years 2 months 12 days |
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- Definition
The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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