Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Net Sales	$ 858,930	$ 903,192	$ 816,687
Costs and Expenses
Cost of Sales	654,146	673,081	610,991
Gross profit	204,784	230,111	205,696
Selling, General and Administrative	106,424	107,823	98,871
Operating Income (Loss)	98,360	122,288	106,825
Interest Expense	14,732	15,155	16,561
Other Expense (Income) - net	(1,197)	3,092	2,659
Gain (Loss) on Disposition of Property Plant Equipment	(76)	327	2,525
Income before income taxes	84,749	104,368	90,130
Income Tax Expense	23,828	27,578	25,187
Net Income	$ 60,921	$ 76,790	$ 64,943
Earnings Per Common Share
Basic Earnings Per Share (usd per share)	$ 2.35	$ 2.98	$ 2.53
Diluted Earnings Per Share (usd per share)	$ 2.33	$ 2.96	$ 2.52
Weighted average number common shares (shares)	25,965,576	25,800,403	25,675,645
Weighted average number common shares and potentially dilutive common shares (shares)	26,097,486	25,937,183	25,777,945