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