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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Feb. 28, 2018
Feb. 28, 2017
Condensed Consolidated Statements Of Comprehensive Income [Abstract]        
Net income $ 14,818 $ 12,360 $ 27,448 $ 24,118
Other comprehensive income (loss):        
Foreign currency translation adjustment 7,827 284 11,654 (5,830)
Total comprehensive income $ 22,645 $ 12,644 $ 39,102 $ 18,288