Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net Income (Loss) Attributable to Parent [Abstract]
NET INCOME	$ 35,814	$ 33,939
Other comprehensive income, net of taxes:
Foreign currency translation adjustment	7,871	4,137
Unrealized gain on interest rate risk management activities, net of tax	9,405	2,658
Unrealized gain arising during the period, net of tax provision of $2,492 and $234, respectively	7,892	390
Reclassification adjustment for loss included in interest expense, net of tax provision of $478, and $1,361, respectively	1,513	2,268
OTHER COMPREHENSIVE INCOME, NET OF TAXES	17,276	6,795
COMPREHENSIVE INCOME	$ 53,090	$ 40,734