Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Net Sales	$ 863,538	$ 889,400	$ 819,692
Costs and Expenses
Cost of Sales	658,206	661,282	612,919
Gross profit	205,332	228,118	206,773
Selling, General and Administrative	106,424	107,823	98,871
Operating Income (Loss)	98,908	120,295	107,902
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	85,297	102,375	91,207
Income Tax Expense	24,033	26,831	25,591
Net Income	$ 61,264	$ 75,544	$ 65,616
Earnings Per Common Share
Basic Earnings Per Share (usd per share)	$ 2.36	$ 2.93	$ 2.56
Diluted Earnings Per Share (usd per share)	$ 2.35	$ 2.91	$ 2.55
Weighted average number common shares (shares)	25,965,000	25,800,000	25,676,000
Weighted average number common shares and potentially dilutive common shares (shares)	26,097,000	25,937,000	25,778,000