Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 37,580	$ 269,438	$ 415,750	$ 991,461
Other comprehensive income, net of taxes:
Net change in retirement benefit plan unrecognized actuarial losses	482	659	1,444	1,976
Net change in cash flow hedge unrecognized gains	24,939	11,383	102,398	16,414
Other comprehensive income (loss), net of taxes	25,421	12,042	103,842	18,390
TOTAL COMPREHENSIVE INCOME	$ 63,001	$ 281,480	$ 519,592	$ 1,009,851