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	$ 198	$ 164
Inventories	1,047	925
Employee compensation and benefits	725	883
Pension and noncurrent employee compensation benefits	4,246	5,011
Operating lease liabilities	4,700	4,868
Net operating loss and foreign tax credits	1,067	1,097
Stock options		233
Other	291	60
Total deferred tax assets	12,274	13,241
Less: valuation allowance	(408)	(408)
Total deferred tax assets, net	11,866	12,833
Deferred tax liabilities
Property, plant and equipment	4,517	6,060
Goodwill and other intangible assets	10,240	10,547
Right-of-use assets	4,631	4,804
Property tax	131	95
Other	24	76
Total deferred tax liabilities	19,543	21,582
Net deferred income tax liabilities	$ 7,677	$ 8,749