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Unaudited Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2019
Aug. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]        
Net earnings $ 9,533 $ 9,567 $ 19,165 $ 18,814
Adjustment to pension, net of taxes 222 247 456 508
Comprehensive income $ 9,755 $ 9,814 $ 19,621 $ 19,322