Benefit Plans (Schedule Of Fair Value Of Plan Assets) (Details) - USD ($) $ in Thousands	Feb. 28, 2023	Feb. 28, 2022
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 190,007	$ 214,928
Interest receivable
Defined Benefit Plan Disclosure [Line Items]
Plan assets	6	0
Equity securities – international | Level 1 | Mutual funds (Level 1):
Defined Benefit Plan Disclosure [Line Items]
Plan assets	17,578	26,525
Short-term Investments | Collective funds (NAV):
Defined Benefit Plan Disclosure [Line Items]
Plan assets	1,856	2,016
Equity securities | Collective funds (NAV):
Defined Benefit Plan Disclosure [Line Items]
Plan assets	86,010	133,723
Fixed income securities | Collective funds (NAV):
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 84,557	$ 52,664