Unaudited Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	May 31, 2021	May 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net earnings	$ 7,304	$ 4,185
Adjustment to pension, net of taxes	299	433
Comprehensive income	$ 7,603	$ 4,618