Benefit Plans - Company's Pension Plan Asset Allocation, by Asset Category (Detail)	Feb. 29, 2024	Feb. 28, 2023
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation by asset category	100.00%	100.00%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation by asset category	43.00%	52.00%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation by asset category	51.00%	44.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation by asset category	6.00%	4.00%