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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2017
Feb. 29, 2016
Feb. 28, 2017
Feb. 29, 2016
Condensed Consolidated Statements Of Comprehensive Income [Abstract]        
Net income $ 12,360 $ 13,669 $ 24,118 $ 25,731
Other comprehensive income (loss):        
Foreign currency translation adjustment 284 (9,421) (5,830) (12,084)
Total comprehensive income $ 12,644 $ 4,248 $ 18,288 $ 13,647