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DERIVATIVE INSTRUMENTS - Fair Value of Derivative Instruments By Balance Sheet Location (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Assets | $ 21,396 | $ 16,461
Total derivatives designated as hedges — Liabilities | 122,327 | 53,470
Interest rate swap | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Assets | 0 | 12
Interest rate swap | Accrued expenses and other current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Liabilities | 22,324 | 6,635
Interest rate swap | Other liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Liabilities | 78,056 | 38,522
Cross-currency swap | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Assets | 4,608 | 5,032
Cross-currency swap | Accrued expenses and other current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Liabilities | 1,565 | 101
Cross-currency swap | Other liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Liabilities | 10,777 | 5,440
Cross-currency swap | Net Investment Hedges | Prepaid expenses and other current assets |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Assets | 7,717 | 7,952
Cross-currency swap | Net Investment Hedges | Other assets |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Assets | 9,071 | 3,465
Cross-currency swap | Net Investment Hedges | Other liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total derivatives designated as hedges — Liabilities | $ 9,605 | $ 2,772

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