Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Feb. 29, 2020	Feb. 28, 2019
Deferred tax assets
Allowance for doubtful receivables	$ 164	$ 204
Inventories	925	924
Employee compensation and benefits	883	820
Pension and noncurrent employee compensation benefits	5,011	2,653
Operating lease liabilities	4,868
Net operating loss and foreign tax credits	1,097	429
Stock options	233	326
Other	60
Total deferred tax assets	13,241	5,356
Less: valuation allowance	(408)
Total deferred tax assets, net	12,833	5,356
Deferred tax liabilities
Property, plant and equipment	6,060	5,485
Goodwill and other intangible assets	10,547	10,710
Right-of-use assets	4,804
Property tax	95	59
Other	76
Total deferred tax liabilities	21,582	16,254
Net deferred income tax liabilities	$ 8,749	$ 10,898