Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Feb. 28, 2021	Feb. 29, 2020
Deferred tax assets
Allowance for doubtful receivables	$ 280	$ 198
Inventories	1,032	1,047
Employee compensation and benefits	659	725
Pension and noncurrent employee compensation benefits	1,827	4,246
Operating lease liabilities	3,870	4,700
Net operating loss and foreign tax credits	1,033	1,067
Other	274	291
Total deferred tax assets	8,975	12,274
Less: valuation allowance	(408)	(408)
Total deferred tax assets, net	8,567	11,866
Deferred tax liabilities
Property, plant and equipment	6,167	4,517
Goodwill and other intangible assets	9,889	10,240
Right-of-use assets	3,797	4,631
Property tax	40	131
Other	79	24
Total deferred tax liabilities	19,972	19,543
Net deferred income tax liabilities	$ 11,405	$ 7,677