CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 42,571	$ 1,125
Other comprehensive income (loss), net of tax:
Fair value adjustment on interest rate swap contracts	187	(669)
Unealized gain on available-for-sale investments	(1)	0
Foreign currency translation adjustments	13,202	23,361
Total other comprehensive income	13,388	22,692
Comprehensive income	$ 55,959	$ 23,817

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 after tax and 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, attributable to parent entity.

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