ACCUMULATED OTHER COMPREHENSIVE LOSS (Summary of Amounts Reclassified Out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Reclassifications out of accumulated other comprehensive income (loss)
Interest expense	$ (28,829)	$ (21,670)	$ (76,358)	$ (57,182)
Provision for income taxes	8,718	7,487	24,207	5,628
Net of tax	(30,043)	(23,847)	(75,296)	(19,802)
Reclassification out of Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Net of tax	199	(394)	(21)	(1,262)
Losses (gains) on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Interest expense	252	(498)	(26)	(1,597)
Losses (gains) on cash flow hedges | Interest rate swap contracts | Reclassification out of Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Provision for income taxes	$ (53)	$ 104	$ 5	$ 335