Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2016	May 31, 2015
Income Statement [Abstract]
Net Sales	$ 242,667	$ 228,888
Costs and Expenses
Cost of Sales	179,340	169,584
Gross Profit	63,327	59,304
Selling, General and Administrative	28,819	26,419
Operating Income (Loss)	34,508	32,885
Interest Expense	3,925	3,847
Gain (Loss) on Disposition of Property Plant Equipment	110	424
Other Expense (Income) - net	(122)	307
Income Before Income Taxes	30,815	29,155
Income Tax Expense	9,752	9,231
Net Income	$ 21,063	$ 19,924
Earnings Per Common Share
Basic Earnings Per Share (usd per share)	$ 0.81	$ 0.77
Diluted Earnings Per Share (usd per share)	$ 0.81	$ 0.77