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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
COMPREHENSIVE INCOME:    
Net income $ 109,798 $ 96,167
Foreign currency translation adjustments, net of tax (1,897) 5,508
Total comprehensive income $ 107,901 $ 101,675