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Condensed Consolidated Statements Of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]    
Net earnings $ 1,212 $ 3,185
Other comprehensive income (loss):    
Defined benefit pension plan adjustment, net of tax 29 32
Foreign currency translation adjustment, net of hedging activities and tax 1,106 (1,034)
Total other comprehensive (loss) income, net of tax expense of $226 and $32, respectively 1,135 (1,002)
Total comprehensive income $ 2,347 $ 2,183