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v3.20.2

Fair Value Measurements - Contingent Consideration (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 29, 2016 | Jan. 31, 2020 | Mar. 31, 2020 | Jun. 30, 2020 | Jul. 29, 2020 | Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payment for Contingent Consideration Liability, Operating Activities |  | $ 10.0 |  |  |  |
Contingent Consideration Commission payable |  |  | $ 0.0 |  |  |
Lattice |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Contingent Consideration | $ 60.0 |  |  |  |  |
Contingent Consideration Payment Period | 4 years |  |  |  |  |
Other revenues |  |  | (11.9) |  |  |
Lattice | Contingent Obligations |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate |  |  |  | 10.00% |  |
AUM Value [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Business Combination,Contingent Consideration, Liability, Measurement Input Amount |  |  | $ 2,300.0 |  |  | $ 3,000.0
Subsequent Event [Member] | Lattice |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Contingent Consideration Commission payable |  |  |  |  | $ 0.0 |

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479 + Details
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