Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 125,905	$ 285,267	$ 378,170	$ 722,023
Other comprehensive income, net of taxes:
Net change in retirement benefit plan unrecognized actuarial losses	481	658	962	1,317
Net change in cash flow hedge unrecognized gains	25,626	2,753	77,459	5,031
Other comprehensive income (loss), net of taxes	26,107	3,411	78,421	6,348
TOTAL COMPREHENSIVE INCOME	$ 152,012	$ 288,678	$ 456,591	$ 728,371