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FAIR VALUE (FAIR VALUE ASSETS AND LIABILITIES) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Liabilities [Abstract] |  |  |  |  |  |
Contingent consideration | $ (9,478) |  | $ (18,032) |  |  |
Redeemable noncontrolling interest | (55,194) | $ (54,800) | (52,976) | $ (53,004) | $ (54,026) | $ (48,923)
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |  |  |  |
Assets [Abstract] |  |  |  |  |  |
Derivative assets, net | 0 |  |  |  |  |
Total assets | 0 |  |  |  |  |
Liabilities [Abstract] |  |  |  |  |  |
Deferred compensation plan liability | 0 |  |  |  |  |
Derivative instruments, net | 0 |  |  |  |  |
Contingent consideration | 0 |  |  |  |  |
Total liabilities | 0 |  |  |  |  |
Redeemable noncontrolling interest | 0 |  |  |  |  |
Significant Other Observable Inputs (Level 2) [Member] |  |  |  |  |  |
Assets [Abstract] |  |  |  |  |  |
Derivative assets, net | 0 |  | 11,375 |  |  |
Total assets | 0 |  | 11,375 |  |  |
Liabilities [Abstract] |  |  |  |  |  |
Deferred compensation plan liability | (28,221) |  | (23,858) |  |  |
Derivative instruments, net | (519) |  |  |  |  |
Contingent consideration | 0 |  |  |  |  |
Total liabilities | (28,740) |  | (23,858) |  |  |
Redeemable noncontrolling interest | 0 |  |  |  |  |
Significant Unobservable Inputs (Level 3) [Member] |  |  |  |  |  |
Assets [Abstract] |  |  |  |  |  |
Derivative assets, net | 0 |  |  |  |  |
Total assets | 0 |  |  |  |  |
Liabilities [Abstract] |  |  |  |  |  |
Deferred compensation plan liability | 0 |  |  |  |  |
Derivative instruments, net | 0 |  |  |  |  |
Contingent consideration | (9,478) |  | (18,032) |  |  |
Total liabilities | (9,478) |  | (18,032) |  |  |
Redeemable noncontrolling interest | $ (55,194) |  | $ (52,976) |  |  |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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