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Consolidated Condensed Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Nov. 30, 2019
Feb. 28, 2019
Statement of Financial Position [Abstract]    
Receivables - principally trade, allowances (in dollars) $ 1,486 $ 2,032
Property and equipment, accumulated depreciation (in dollars) 133,764 123,744
Other intangible assets, accumulated amortization (in dollars) 194,562 181,463
Other assets, accumulated amortization (in dollars) $ 2,167 $ 2,115
Cumulative preferred stock, non-voting, par (in dollars per share) $ 1 $ 1
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) 25,166,771 24,946,046
Common stock, shares outstanding (in shares) 25,166,771 24,946,046