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Consolidated Condensed Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Nov. 30, 2012
Feb. 29, 2012
Consolidated Condensed Balance Sheets    
Receivables - principally trade, allowances (in dollars) $ 5,323 $ 5,541
Property and equipment, accumulated depreciation (in dollars) 72,344 62,550
Other intangible assets, accumulated amortization (in dollars) 67,974 52,268
Other assets, accumulated amortization (in dollars) $ 5,145 $ 3,938
Cumulative preferred stock, non-voting, par (in dollars per share) $ 1.00 $ 1.00
Cumulative preferred stock, non-voting, Authorized shares 2,000,000 2,000,000
Cumulative preferred stock, non-voting, issued shares 0 0
Common stock, par (in dollars per share) $ 0.10 $ 0.10
Common stock, Authorized shares 50,000,000 50,000,000
Common stock, shares issued 31,753,992 31,681,067
Common stock, shares outstanding 31,753,992 31,681,067