Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 38,648	$ 35,814
Other comprehensive income (loss):
Foreign currency translation adjustment	3,607	7,871
Unrealized gain (loss) arising during the period, net of tax benefit (provision) of $1,316 and ($2,492), respectively	(4,238)	7,892
Reclassification adjustment for (gain) loss included in interest expense, net of tax (benefit) provision of $108 and ($478), respectively	(346)
Reclassification adjustment for (gain) loss included in interest expense, net of tax (benefit) provision of $108 and ($478), respectively		1,513
Unrealized gain (loss) on interest rate risk management activities, net of tax	(4,584)
Unrealized gain (loss) on interest rate risk management activities, net of tax		9,405
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAXES	(977)	17,276
COMPREHENSIVE INCOME (LOSS)	$ 37,671	$ 53,090