Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Feb. 28, 2022	Feb. 28, 2021
Statement of Financial Position [Abstract]
Allowance for doubtful receivables	$ 1,200	$ 961
Common stock, par value	$ 2.50	$ 2.50
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	30,053,443	30,053,443