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Benefit Plans - Pension Plan's Fair Value Hierarchy for Assets Measured at Fair Value (Detail) - USD ($) $ in Thousands | Feb. 28, 2025 | Feb. 29, 2024 | Feb. 28, 2023
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | $ 53,336 | $ 51,816 | $ 49,242
Cash and Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 1,010 | 3,275 |
Government Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 12,547 | 10,029 |
Corporate Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 23,431 | 16,215 |
Domestic Equities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 14,603 | 19,711 |
Foreign Equities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 1,745 | 2,586 |
Level 1 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 17,358 | 25,572 |
Level 1 [Member] | Cash and Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 1,010 | 3,275 |
Level 1 [Member] | Domestic Equities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 14,603 | 19,711 |
Level 1 [Member] | Foreign Equities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 1,745 | 2,586 |
Level 2 [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 35,978 | 26,244 |
Level 2 [Member] | Government Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | 12,547 | 10,029 |
Level 2 [Member] | Corporate Bonds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value Measurements | $ 23,431 | $ 16,215 |

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