CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 61,257	$ 46,118	$ 76,681	$ 107,866
Other comprehensive income (loss), net of tax:
Fair value adjustment on derivatives instruments designated as hedges (1)	408	(779)	3,161	(1,586)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	0	4	0	4
Other Comprehensive Income (Loss), Net of Tax	(2,332)	3,889
Foreign currency translation adjustments	(2,740)	4,664	(23,025)	(2,776)
Total other comprehensive income (loss)	(2,332)	3,889	(19,864)	(4,358)
Comprehensive income	$ 58,925	$ 50,007	$ 56,817	$ 103,508

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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