Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2018
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 173,156	$ 190,311	$ 673,499	$ 649,857
Other comprehensive income (loss), net of taxes
Net change in retirement benefit plan unrecognized actuarial losses	355	370	1,066	1,109
Net change in cash flow hedge unrecognized losses	9,268	(72)	(15,063)	(934)
Other comprehensive income (loss), net of taxes	9,623	298	(13,997)	175
TOTAL COMPREHENSIVE INCOME	$ 182,779	$ 190,609	$ 659,502	$ 650,032

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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