DERIVATIVE INSTRUMENTS (Fair Value of Derivative Instruments By Balance Sheet Location) (Details) - Designated as Hedging Instrument - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Total Derivatives designated as hedges — Assets	$ 11,769,000	$ 1,871,000
Total Derivative designated as hedges — Liabilities	15,134,000	0
Interest rate swap
Derivatives, Fair Value [Line Items]
Notional amount	1,050,000,000
Interest rate swap | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total Derivatives designated as hedges — Assets	1,521,000	242,000
Interest rate swap | Other assets
Derivatives, Fair Value [Line Items]
Total Derivatives designated as hedges — Assets	2,491,000	1,629,000
Notional amount		150,000,000
Interest rate swap | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Total Derivative designated as hedges — Liabilities	1,845,000	0
Interest rate swap | Other liabilities
Derivatives, Fair Value [Line Items]
Total Derivative designated as hedges — Liabilities	1,575,000	0
Cross-currency swap | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Total Derivatives designated as hedges — Assets	7,757,000	0
Cross-currency swap | Other liabilities
Derivatives, Fair Value [Line Items]
Total Derivative designated as hedges — Liabilities	$ 11,714,000	$ 0