FAIR VALUE MEASUREMENTS (Fair Value, Assets and Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
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| Fair Value, Assets Measured On Recurring Basis, Unobservable Input Reconciliation [Roll Forward] | Ìý | Ìý |
| Beginning balance | $ 45.8 | $ 91.4 |
| Included in earnings | (26.2) | 15.3 |
| Ending balance - March 31 | 19.6 | 106.7 |
| Total gains (losses) for the period included in earnings attributable to the change in unrealized gains on assets still held at the reporting date | (25.3) | 15.3 |
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] | Ìý | Ìý |
| Beginning balance - January 1 | (1.1) | 0.0 |
| Included in earnings | (0.6) | (9.8) |
| Settlements | 1.7 | 0.0 |
| Ending balance - March 31 | 0.0 | (9.8) |
| Total losses for the period included in earnings attributable to the change in unrealized losses on liabilities still held at the reporting date | $ 0.0 | $ (9.8) |
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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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