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
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