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Business Combinations (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 9 Months Ended | 0 Months Ended |  | 0 Months Ended |  |
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Sep. 30, 2012 | Sep. 30, 2011 | Jun. 29, 2012 Veritable, LP | Jun. 29, 2012 Veritable, LP High Net Worth | Jun. 29, 2012 Yacktman Asset Management Co | Sep. 30, 2012 Yacktman Asset Management Co | Jun. 29, 2012 Yacktman Asset Management Co Mutual Fund | Jun. 29, 2012 Yacktman Asset Management Co High Net Worth
Business Combinations |  |  |  |  |  |  |  |
Goodwill percentage attributable to segments |  |  |  | 100.00% |  |  | 91.00% | 9.00%
Tax deduction period for goodwill and client relationships amortization expense |  |  | 15 years |  | 15 years |  |  |
Purchase price allocations |  |  |  |  |  |  |  |
Consideration paid |  |  | $ 116.8 |  | $ 301.0 |  |  |
Non-controlling interests |  |  | 30.8 |  | 213.3 |  |  |
Contingent payment arrangement |  |  |  |  | 24.8 | 24.8 |  |
Enterprise value |  |  | 147.6 |  | 539.1 |  |  |
Acquired client relationships |  |  | 85.1 |  | 367.5 |  |  |
Tangible assets, net |  |  | 2.7 |  | 9.0 |  |  |
Goodwill |  |  | 59.8 |  | 162.6 |  |  |
Total |  |  | 147.6 |  | 539.1 |  |  |
Maximum contingent payments to be made |  |  |  |  | 75.0 |  |  |
Contingencies amount to be recognized after period of acquisition, minimum |  |  |  |  | 3 years |  |  |
Contingencies amount to be recognized after period of acquisition, maximum |  |  |  |  | 5 years |  |  |
Projected amount of the contingent payment obligation |  |  |  |  | 52.6 |  |  |
Unaudited pro forma financial results |  |  |  |  |  |  |  |
Revenue | 1,390.0 | 1,378.3 |  |  |  |  |  |
Net Income (controlling interest) | 111.0 | 134.8 |  |  |  |  |  |
Earnings per share - basic (in dollars per share) | $ 2.15 | $ 2.60 |  |  |  |  |  |
Earnings per share - diluted (in dollars per share) | $ 2.10 | $ 2.53 |  |  |  |  |  |
New Affiliate investments contribution |  |  |  |  |  |  |  |
New Affiliate investments contributed revenue | 43.2 |  |  |  |  |  |  |
New Affiliate investments contributed earnings | $ 7.0 |  |  |  |  |  |  |

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- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d -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. + Details
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