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FAIR VALUE (FAIR VALUE ASSETS AND LIABILITIES) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Liabilities [Abstract] |  |  |  |  |  |
Contingent consideration | $ (9,478) |  | $ (18,032) |  |  |
Redeemable noncontrolling interest | (54,800) | $ (54,674) | (52,976) | $ (54,026) | $ (53,367) | $ (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 | 7,923 |  | 11,375 |  |  |
Total assets | 7,923 |  | 11,375 |  |  |
Liabilities [Abstract] |  |  |  |  |  |
Deferred compensation plan liability | (27,826) |  | (23,858) |  |  |
Derivative instruments, net | 0 |  |  |  |  |
Contingent consideration | 0 |  |  |  |  |
Total liabilities | (27,826) |  | (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 | $ (54,800) |  | $ (52,976) |  |  |

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