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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2019
Fair Value Disclosures [Abstract] |
Schedule of Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis | The following tables summarize the Company’s financial assets and liabilities that are measured at fair value on a recurring basis:
|  |  |  | Fair Value Measurements
|  | December 31, 2018 |
|  | Level 1 |  | Level 2 |  | Level 3
Financial Assets |  |  |  |  |  |  |  |
Investments in marketable securities |  | $ | 119.3 |  |  | $ | 119.3 |  |  | $ | — |  |  | $ | — |
Derivative financial instruments(1) |  | 5.8 |  |  | — |  |  | 5.8 |  |  | — |
Financial Liabilities(2) |  |  |  |  |  |  |  |  |  |  |  |
Contingent payment arrangements |  | $ | 1.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 1.9 |
Affiliate equity repurchase obligations |  | 36.2 |  |  | — |  |  | — |  |  | 36.2 |
Derivative financial instruments |  | 1.4 |  |  | — |  |  | 1.4 |  |  | — |
|  |  |  | Fair Value Measurements
|  | December 31, 2019 |
|  | Level 1 |  | Level 2 |  | Level 3
Financial Assets |  |  |  |  |  |  |  |
Investments in marketable securities |  | $ | 59.4 |  |  | $ | 24.4 |  |  | $ | 35.0 |  |  | $ | — |
Derivative financial instruments(1) |  | 7.9 |  |  | — |  |  | 7.9 |  |  | — |
Financial Liabilities(2) |  |  |  |  |  |  |  |  |  |  |  |
Affiliate equity repurchase obligations |  | $ | 19.8 |  |  | $ | — |  |  | $ | — |  |  | $ | 19.8 |
Derivative financial instruments |  | 1.0 |  |  | — |  |  | 1.0 |  |  | — |
__________________________
(1) | Amounts are presented within Other assets.
(2) Amounts are presented within Other liabilities.
Schedule of Changes in Level 3 Financial Assets and Liabilities | The following table presents the changes in level 3 liabilities:
|  | For the Years Ended December 31,
|  | 2018 |  | 2019
|  | Contingent Payment Arrangements |  | Affiliate Equity Repurchase Obligations |  | Contingent Payment Arrangements |  | Affiliate Equity Repurchase Obligations
Balance, beginning of period |  | $ | 9.4 |  |  | $ | 49.2 |  |  | $ | 1.9 |  |  | $ | 36.2 |
Net realized and unrealized losses(1) |  | 1.3 |  |  | — |  |  | 0.1 |  |  | 0.1 |
Purchases and issuances(2) |  | — |  |  | 105.4 |  |  | — |  |  | 118.6 |
Settlements and reductions |  | (8.8 | ) |  | (118.4 | ) |  | (2.0 | ) |  | (135.1 | )
Balance, end of period |  | $ | 1.9 |  |  | $ | 36.2 |  |  | $ | — |  |  | $ | 19.8 |
Net change in unrealized losses relating to instruments still held at the reporting date |  | $ | 0.2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
__________________________
(1) | Accretion expense for these arrangements is recorded in Interest expense.
(2) Includes transfers from Redeemable non-controlling interests.
Schedule of Quantitative Information | The following table presents certain quantitative information about the significant unobservable inputs used in valuing the Company’s recurring level 3 fair value measurements:
|  | Quantitative Information About Level 3 Fair Value Measurements
|  |  |  |  |  | December 31, 2018 |  | December 31, 2019
|  | Valuation Techniques |  | Unobservable Input |  | Fair Value |  | Range |  | Weighted Average(1) |  | Fair Value |  | Range |  | Weighted Average(1)
Contingent payment arrangements |  | Discounted cash flow |  | Growth rates(2) |  | $ | 1.9 |  |  | 7% |  | 7% |  | $ | — |  |  | — |  |  | — |
|  |  |  | Discount rates |  |  |  |  | 15% |  | 15% |  |  |  | — |  |  | — |
Affiliate equity repurchase obligations |  | Discounted cash flow |  | Growth rates(2) |  | 36.2 |  |  | (4)% - 9% |  | 3% |  | 19.8 |  |  | (9)% - 7% |  |  | 5% |
|  |  |  | Discount rates |  |  |  |  | 14% - 16% |  | 15% |  |  |  | 14% - 17% |  |  | 15% |
__________________________
(1) | Calculated by comparing the relative fair value of an arrangement or obligation to its respective total.
(2) Represents growth rates of asset and performance based fees.
Schedule of Investments | The following table summarizes the fair values of these investments and unfunded commitments:
|  | December 31, 2018 |  | December 31, 2019
Category of Investment |  | Fair Value |  | Unfunded Commitments |  | Fair Value |  | Unfunded Commitments
Private equity(1) |  | $ | 193.2 |  |  | $ | 131.0 |  |  | $ | 203.3 |  |  | $ | 127.2 |
Other funds(2) |  | 7.9 |  |  | — |  |  | 8.5 |  |  | — |
Other investments(3) |  | $ | 201.1 |  |  | $ | 131.0 |  |  | $ | 211.8 |  |  | $ | 127.2 |
__________________________
(1) | The Company uses NAV as a practical expedient one quarter in arrears (adjusted for current period calls and distributions) to determine the fair value. These funds primarily invest in a broad range of third-party funds and direct investments. Distributions will be received as the underlying assets are liquidated over the life of the funds, which is generally up to 15 years.
(2) | These are multi-disciplinary funds that invest across various asset classes and strategies, including equity, credit and real estate. Investments are generally redeemable on a daily, monthly or quarterly basis.
(3) Fair value attributable to the controlling interest was $123.2 million and $137.6 million as of December 31, 2018 and 2019, respectively.
Schedule of Financial Liabilities not Carried at Fair Value | The following table summarizes the Company’s other financial liabilities not carried at fair value:
|  | December 31, 2018 |  | December 31, 2019 |  |
|  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value |  | Fair Value Hierarchy
Senior notes |  | $ | 746.2 |  |  | $ | 747.5 |  |  | $ | 746.8 |  |  | $ | 797.4 |  |  | Level 2
Junior convertible securities |  | 312.5 |  |  | 391.5 |  |  | 315.4 |  |  | 415.7 |  |  | Level 2
Junior subordinated notes |  | — |  |  | — |  |  | 290.7 |  |  | 327.7 |  |  | Level 2

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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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