Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 269,438	$ 235,300	$ 991,461	$ 536,974
Other comprehensive income (loss), net of taxes:
Net change in retirement benefit plan unrecognized actuarial losses	659	727	1,976	2,183
Net change in cash flow hedge unrecognized losses	11,383	6,775	16,414	(5,036)
Other comprehensive income (loss), net of taxes	12,042	7,502	18,390	(2,853)
TOTAL COMPREHENSIVE INCOME	$ 281,480	$ 242,802	$ 1,009,851	$ 534,121