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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
Statement Of Income And Comprehensive Income [Abstract]        
Net earnings $ 1,735 $ 5,012 $ 4,920 $ 5,885
Other comprehensive income:        
Defined benefit pension plan adjustment, net of tax 37 38 69 75
Foreign currency translation adjustment, net of hedging activities and tax 1,814 1,947 780 513
Total other comprehensive income, net of tax (benefit) expense of ($306), $87, ($274) and $653, respectively 1,851 1,985 849 588
Total comprehensive income $ 3,586 $ 6,997 $ 5,769 $ 6,473