Benefit Plans (Components Of Net Pension Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Defined Benefit Plan Disclosure [Line Items]
Total net pension (benefit) expense	$ (3,014)	$ (2,068)	$ (945)
Total net actuarial gain(1)	(34,836)	(22,517)	(33,913)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Total net pension (benefit) expense	(3,443)	(2,493)	(1,378)
Total net actuarial gain(1)	(33,110)	(21,941)	(33,703)
Restoration Plan
Defined Benefit Plan Disclosure [Line Items]
Total net pension (benefit) expense	429	425	433
Total net actuarial gain(1)	$ (1,726)	$ (576)	$ (210)