Pension Plan - Additional Information (Detail) $ in Millions	9 Months Ended
	Nov. 30, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Employees covered under noncontributory Pension Plan	12.00%
Compensation period preceding retirement and termination	5 years
Period used for calculating Pension Plan liability	25 years
Contribution to avoid a Pension Benefit Guaranty Corporation variable premium	$ 2.0
Unfunded pension liability	0.6
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected contributions	1.5
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected contributions	$ 3.0