Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Nov. 30, 2017	Feb. 28, 2017
Consolidated Condensed Balance Sheets
Receivables - principally trade, allowances (in dollars)	$ 9,624	$ 5,656
Property and equipment, accumulated depreciation (in dollars)	118,485	106,561
Other intangible assets, accumulated amortization (in dollars)	184,937	165,388
Other assets, accumulated amortization (in dollars)	$ 1,999	$ 1,930
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	26,960,863	27,028,665
Common stock, shares outstanding	26,960,863	27,028,665