Benefit Plans - Schedule of Accumulated Benefit Obligation, Change in PBO, Change in Pension Plan Assets, Funded Status, and Reconciliation to Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Change in benefit obligation
Projected benefit obligation at beginning of year	$ 51,736	$ 49,888
Service cost	663	673	$ 944
Interest cost	2,596	2,456	1,967
Actuarial (gain) loss	435	1,572
Discount Rate change	0	0
Other assumption change	107	(122)
Benefits paid	(3,623)	(2,731)
Settlement	0	0
Projected benefit obligation at end of year	51,914	51,736	49,888
Change in plan assets:
Fair value of plan assets at beginning of year	51,816	49,242
Company contributions	1,200	1,200
Gain on plan assets	3,943	4,105
Fair value of plan assets at end of year	53,336	51,816	$ 49,242
Unfunded status	1,422	80
Accumulated benefit obligation at end of year	$ 48,990	$ 48,438