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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2015
Fair Value Disclosures [Abstract] |
Schedule of Fair Value of 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, 2014 |
|  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Other Unobservable Inputs (Level 3)
Financial Assets |  |  |  |  |  |  |
Cash equivalents | $ | 59.1 |  |  | $ | 59.1 |  |  | $ | — |  |  | $ | — |
Investments in marketable securities(1) |  |  |  |  |  |  |
Trading securities | 22.3 |  |  | 22.3 |  |  | — |  |  | — |
Available-for-sale securities | 150.3 |  |  | 150.3 |  |  | — |  |  | — |
Other investments | 167.2 |  |  | 13.6 |  |  | 19.4 |  |  | 134.2 |
Financial Liabilities |  |  |  |  |  |  |
Contingent payment arrangements(2) | $ | 59.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 59.3 |
Obligations to related parties(2) | 93.1 |  |  | — |  |  | — |  |  | 93.1 |
Interest rate swaps | 1.4 |  |  | — |  |  | 1.4 |  |  | — |
Foreign currency forward contracts(3) | 0.5 |  |  | — |  |  | 0.5 |  |  | — |
|  |  | Fair Value Measurements
| September 30, 2015 |
|  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Other Unobservable Inputs (Level 3)
Financial Assets |  |  |  |  |  |  |
Cash equivalents | $ | 49.0 |  |  | $ | 49.0 |  |  | $ | — |  |  | $ | — |
Investments in marketable securities(1) |  |  |  |  |  |  |
Trading securities | 22.2 |  |  | 22.2 |  |  | — |  |  | — |
Available-for-sale securities | 149.6 |  |  | 149.6 |  |  | — |  |  | — |
Other investments | 158.3 |  |  | 20.2 |  |  | 5.7 |  |  | 132.4 |
Foreign currency forward contracts(3) | 0.8 |  |  | — |  |  | 0.8 |  |  | — |
Financial Liabilities |  |  |  |  |  |  |
Contingent payment arrangements(2) | $ | 7.1 |  |  | $ | — |  |  | $ | — |  |  | $ | 7.1 |
Obligations to related parties(2) | 97.8 |  |  | — |  |  | — |  |  | 97.8 |
Interest rate swaps(2) | 0.7 |  |  | — |  |  | 0.7 |  |  | — |
Foreign currency forward contracts(3) | 0.2 |  |  | — |  |  | 0.2 |  |  | — |
__________________________
(1) | Principally investments in equity securities.
(2) | Amounts are presented within Other liabilities in the accompanying Consolidated Balance Sheets.
(3) | Amounts are presented within Other assets or Other liabilities in the accompanying Consolidated Balance Sheets.
Schedule of Changes in Level 3 Assets | The following tables present the changes in Level 3 assets and liabilities for the three and nine months ended September 30, 2014 and 2015:
| For the Three Months Ended September 30, |
| 2014 |  |  | 2015 |
| Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |  |  | Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |
Balance, beginning of period | $ | 139.5 |  |  | $ | 55.1 |  |  | $ | 98.4 |  |  |  | $ | 133.4 |  |  | $ | 6.7 |  |  | $ | 127.3 |  |
Net gains/losses | 2.7 |  | (1) | 1.9 |  | (2) | 1.3 |  | (3) |  | 2.0 |  | (1) | 0.4 |  | (2) | 2.1 |  | (3)
Purchases and issuances | 3.7 |  |  | — |  |  | 11.1 |  |  |  | 5.9 |  |  | — |  |  | 33.8 |  |
Settlements and reductions | (8.2 | ) |  | — |  |  | (18.1 | ) |  |  | (8.9 | ) |  | — |  |  | (65.4 | ) |
Net transfers in and/or out of Level 3 | — |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |  |
Balance, end of period | $ | 137.7 |  |  | $ | 57.0 |  |  | $ | 92.7 |  |  |  | $ | 132.4 |  |  | $ | 7.1 |  |  | $ | 97.8 |  |
Net unrealized gains/losses relating to instruments still held at the reporting date | $ | 4.4 |  | (1) | $ | 1.9 |  | (2) | $ | 0.2 |  | (3) |  | $ | 6.0 |  | (1) | $ | 0.4 |  | (2) | $ | (0.3 | ) | (3)
| For the Nine Months Ended September 30, |
| 2014 |  |  | 2015 |
| Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |  |  | Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |
Balance, beginning of period | $ | 131.8 |  |  | $ | 50.2 |  |  | $ | 76.9 |  |  |  | $ | 134.2 |  |  | $ | 59.3 |  |  | $ | 93.1 |  |
Net gains/losses | 13.7 |  | (1) | 6.8 |  | (2) | 5.8 |  | (3) |  | 0.2 |  | (1) | (41.2 | ) | (2) | 4.5 |  | (3)
Purchases and issuances | 10.5 |  |  | — |  |  | 72.1 |  |  |  | 12.1 |  |  | 6.5 |  |  | 101.6 |  |
Settlements and reductions | (18.3 | ) |  | — |  |  | (62.1 | ) |  |  | (20.6 | ) |  | (17.5 | ) |  | (101.4 | ) |
Net transfers in and/or out of Level 3 | — |  |  | — |  |  | — |  |  |  | 6.5 |  |  | — |  |  | — |  |
Balance, end of period | $ | 137.7 |  |  | $ | 57.0 |  |  | $ | 92.7 |  |  |  | $ | 132.4 |  |  | $ | 7.1 |  |  | $ | 97.8 |  |
Net unrealized gains/losses relating to instruments still held at the reporting date | $ | 17.1 |  | (1) | $ | 6.8 |  | (2) | $ | 2.2 |  | (3) |  | $ | 9.6 |  | (1) | $ | (41.2 | ) | (2) | $ | (4.4 | ) | (3)
___________________________
(1) | Gains and losses on Other investments are recorded in Investment and other income.
(2) | Accretion and changes to the Company’s contingent payment arrangements are recorded in Imputed interest expense and contingent payment arrangements.
(3) | Gains and losses associated with agreements to repurchase Affiliate equity are recorded in Imputed interest expense and contingent payment arrangements. Gains and losses related to liabilities offsetting certain investments are recorded in Investment and other income.
Schedule of Changes in Level 3 Liabilities | The following tables present the changes in Level 3 assets and liabilities for the three and nine months ended September 30, 2014 and 2015:
| For the Three Months Ended September 30, |
| 2014 |  |  | 2015 |
| Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |  |  | Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |
Balance, beginning of period | $ | 139.5 |  |  | $ | 55.1 |  |  | $ | 98.4 |  |  |  | $ | 133.4 |  |  | $ | 6.7 |  |  | $ | 127.3 |  |
Net gains/losses | 2.7 |  | (1) | 1.9 |  | (2) | 1.3 |  | (3) |  | 2.0 |  | (1) | 0.4 |  | (2) | 2.1 |  | (3)
Purchases and issuances | 3.7 |  |  | — |  |  | 11.1 |  |  |  | 5.9 |  |  | — |  |  | 33.8 |  |
Settlements and reductions | (8.2 | ) |  | — |  |  | (18.1 | ) |  |  | (8.9 | ) |  | — |  |  | (65.4 | ) |
Net transfers in and/or out of Level 3 | — |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |  |
Balance, end of period | $ | 137.7 |  |  | $ | 57.0 |  |  | $ | 92.7 |  |  |  | $ | 132.4 |  |  | $ | 7.1 |  |  | $ | 97.8 |  |
Net unrealized gains/losses relating to instruments still held at the reporting date | $ | 4.4 |  | (1) | $ | 1.9 |  | (2) | $ | 0.2 |  | (3) |  | $ | 6.0 |  | (1) | $ | 0.4 |  | (2) | $ | (0.3 | ) | (3)
| For the Nine Months Ended September 30, |
| 2014 |  |  | 2015 |
| Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |  |  | Other Investments |  | Contingent Payment Arrangements |  | Obligations to Related Parties |
Balance, beginning of period | $ | 131.8 |  |  | $ | 50.2 |  |  | $ | 76.9 |  |  |  | $ | 134.2 |  |  | $ | 59.3 |  |  | $ | 93.1 |  |
Net gains/losses | 13.7 |  | (1) | 6.8 |  | (2) | 5.8 |  | (3) |  | 0.2 |  | (1) | (41.2 | ) | (2) | 4.5 |  | (3)
Purchases and issuances | 10.5 |  |  | — |  |  | 72.1 |  |  |  | 12.1 |  |  | 6.5 |  |  | 101.6 |  |
Settlements and reductions | (18.3 | ) |  | — |  |  | (62.1 | ) |  |  | (20.6 | ) |  | (17.5 | ) |  | (101.4 | ) |
Net transfers in and/or out of Level 3 | — |  |  | — |  |  | — |  |  |  | 6.5 |  |  | — |  |  | — |  |
Balance, end of period | $ | 137.7 |  |  | $ | 57.0 |  |  | $ | 92.7 |  |  |  | $ | 132.4 |  |  | $ | 7.1 |  |  | $ | 97.8 |  |
Net unrealized gains/losses relating to instruments still held at the reporting date | $ | 17.1 |  | (1) | $ | 6.8 |  | (2) | $ | 2.2 |  | (3) |  | $ | 9.6 |  | (1) | $ | (41.2 | ) | (2) | $ | (4.4 | ) | (3)
___________________________
(1) | Gains and losses on Other investments are recorded in Investment and other income.
(2) | Accretion and changes to the Company’s contingent payment arrangements are recorded in Imputed interest expense and contingent payment arrangements.
(3) | Gains and losses associated with agreements to repurchase Affiliate equity are recorded in Imputed interest expense and contingent payment arrangements. Gains and losses related to liabilities offsetting certain investments are recorded in Investment and other income.
Schedule of Quantitative Information used in Valuing Level 3 Liabilities | The following table presents certain quantitative information about the significant unobservable inputs used in valuing the Company’s Level 3 financial liabilities:
| Quantitative Information about Level 3 Fair Value Measurements
| Valuation Techniques |  | Unobservable Input |  | Fair Value at December 31, 2014 |  | Range at December 31, 2014 |  | Fair Value at September 30, 2015 |  | Range at September 30, 2015
Contingent payment arrangements | Discounted cash flow |  | Growth rates |  | $ | 59.3 |  |  | 6% |  | $ | 7.1 |  |  | (1)% - 9%
|  |  | Discount rates |  |  |  |  | 15% |  |  |  |  | 16%
Affiliate equity obligations | Discounted cash flow |  | Growth rates |  | 21.5 |  |  | 5% - 9% |  | 31.8 |  |  | 3% - 10%
|  |  | Discount rates |  |  |  |  | 15% - 16% |  |  |  |  | 15% - 16%
Summary of Investments in Certain Entities that Calculate Net Asset Value | The following table summarizes, as of December 31, 2014 and September 30, 2015, the nature of these investments and any related liquidity restrictions or other factors which may impact the ultimate value realized:
| December 31, 2014 |  | September 30, 2015
Category of Investment | Fair Value |  | Unfunded Commitments |  | Fair Value |  | Unfunded Commitments
Private equity funds(1) | $ | 134.2 |  |  | $ | 67.8 |  |  | $ | 132.4 |  |  | $ | 74.8 |
Other funds(2) | 75.8 |  |  | — |  |  | 76.9 |  |  | — |
| $ | 210.0 |  |  | $ | 67.8 |  |  | $ | 209.3 |  |  | $ | 74.8 |
___________________________
(1) | These funds primarily invest in a broad range of private equity funds, as well as make 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 long/short equity, credit and real estate. Investments are generally redeemable on a daily or quarterly basis.
Summary of Financial Assets and Liabilities Not Carried at Fair Value | The following table summarizes the Company’s other financial liabilities not carried at fair value:
| December 31, 2014 |  | September 30, 2015 |  |
| Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value |  | Fair Value Hierarchy
Senior notes | $ | 736.8 |  |  | $ | 786.2 |  |  | $ | 1,084.5 |  |  | $ | 1,102.4 |  |  | Level 2
Convertible securities | 303.1 |  |  | 532.1 |  |  | 304.7 |  |  | 483.6 |  |  | 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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