ACCUMULATED OTHER COMPREHENSIVE LOSS (Summary of Amounts Reclassified Out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Reclassifications out of accumulated other comprehensive income (loss)
Interest expense	$ (23,326)	$ (16,609)
Provision for income taxes	11,016	558
Net income	(31,925)	(1,834)
Reclassification out of Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Net income	(128)	(216)
Interest rate swap contracts | Reclassification out of Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Provision for income taxes	34	57
(Gains) losses on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Interest expense	$ (162)	$ (273)