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Consolidated Condensed Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Aug. 31, 2020
Feb. 29, 2020
Statement of Financial Position [Abstract]    
Receivables - principally trade, allowances (in dollars) $ 2,493 $ 1,461
Property and equipment, accumulated depreciation (in dollars) 141,552 132,340
Other intangible assets, accumulated amortization (in dollars) 157,925 148,891
Other assets, accumulated amortization (in dollars) $ 2,167 $ 2,167
Cumulative preferred stock, non-voting, par (in dollars per share) $ 1.00 $ 1.00
Cumulative preferred stock, non-voting, authorized shares (in shares) 2,000,000 2,000,000
Cumulative preferred stock, non-voting, issued shares (in shares) 0 0
Common stock, par (in dollars per share) $ 0.10 $ 0.10
Common stock, authorized shares (in shares) 50,000,000 50,000,000
Common stock, shares issued (in shares) 25,328,306 25,328,306
Common stock, shares outstanding (in shares) 25,193,766 25,193,766