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Condensed Consolidated Statements Of Comprehensive Income (Loss) - USD ($)
$ in Thousands
 3 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Net earnings $ 3,185 $ 873
Other comprehensive income (loss):    
Defined benefit pension plan adjustment, net of tax 32 37
Foreign currency translation adjustment, net of hedging activities and tax (1,034) (1,434)
Total other comprehensive income loss, net of tax expense of $32 and $566, respectively (1,002) (1,397)
Total comprehensive income (loss) $ 2,183 $ (524)