Benefit Plans - Pension Plan's Fair Value Hierarchy for Assets Measured at Fair Value (Detail) - USD ($) $ in Thousands	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	$ 51,816	$ 49,242	$ 59,023
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	3,275	2,093
Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	10,029	9,793
Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	16,215	15,797
Domestic Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	19,711	16,833
Foreign Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	2,586	4,726
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	25,572	23,652
Level 1 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	3,275	2,093
Level 1 [Member] | Domestic Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	19,711	16,833
Level 1 [Member] | Foreign Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	2,586	4,726
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	26,244	25,590
Level 2 [Member] | Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	10,029	9,793
Level 2 [Member] | Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value Measurements	$ 16,215	$ 15,797