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Unaudited Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended
May 31, 2018
May 31, 2017
Statement Of Income And Comprehensive Income [Abstract]    
Net earnings $ 9,247 $ 7,784
Adjustment to pension, net of deferred taxes 261 248
Comprehensive income $ 9,508 $ 8,032