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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Consolidated Statements Of Comprehensive Income [Abstract]      
Net income $ 65,215 $ 52,930 $ 52,628
Other comprehensive income (loss):      
Foreign currency translation adjustment 439 (777) (18,576)
Total comprehensive income $ 65,654 $ 52,153 $ 34,052