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Benefit Plans (Schedule Of Fair Value Of Plan Assets) (Details) - USD ($) $ in Thousands | Feb. 28, 2021 | Feb. 29, 2020
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets | $ 209,773 | $ 168,835
Equity securities – international | Level 1 | Mutual funds (Level 1): |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets | 25,741 | 20,410
Short-term Investments | Collective funds (NAV): |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets | 1,633 | 420
Equity securities | Collective funds (NAV): |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets | 131,039 | 104,823
Fixed income securities | Collective funds (NAV): |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets | $ 51,360 | $ 43,182

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