CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
NET INCOME	$ 64,295	$ 65,542	$ 108,521	$ 114,067
Other comprehensive (loss) earnings
Change in derivative	(257)		(257)
Foreign currency translation adjustments	485	(5,118)	2,827	(8,070)
Other comprehensive (loss) earnings	228	(5,118)	2,570	(8,070)
Comprehensive earnings	$ 64,523	$ 60,424	$ 111,091	$ 105,997

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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