Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($) $ in Thousands	May 31, 2021	Feb. 28, 2021
Payables And Accruals [Abstract]
Employee compensation and benefits	$ 10,847	$ 11,742
Taxes other than income	953	467
Accrued legal and professional fees	249	272
Accrued interest	81	79
Accrued utilities	90	90
Accrued acquisition related obligations	131	164
Income taxes payable	4,687	1,528
Other accrued expenses	776	613
Accrued expenses, Total	$ 17,814	$ 14,955