Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 484,762	$ 1,151,297	$ 746,919
Other comprehensive income, net of taxes:
Net change in retirement benefit plan unrecognized actuarial losses	28,411	19,661	28,640
Net change in cash flow hedge unrecognized gains	115,880	52,608	2,740
Other comprehensive income, net of taxes	144,291	72,269	31,380
TOTAL COMPREHENSIVE INCOME	$ 629,053	$ 1,223,566	$ 778,299