Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Income Statement [Abstract]
Net Sales	$ 190,407	$ 195,045	$ 398,958	$ 437,712
Costs and Expenses
Cost of Sales	148,938	153,159	308,223	332,499
Gross Profit	41,469	41,886	90,735	105,213
Selling, General and Administrative	26,413	26,997	53,772	55,816
Operating Income (Loss)	15,056	14,889	36,963	49,397
Interest Expense	3,400	3,580	6,760	7,505
Gain (Loss) on Disposition of Property Plant Equipment	(654)	(192)	(554)	(82)
Other Expense (Income) - net	(394)	(68)	(479)	(190)
Income Before Income Taxes	11,396	11,185	30,128	42,000
Income Tax Expense	3,067	1,162	8,559	10,914
Net Income	$ 8,329	$ 10,023	$ 21,569	$ 31,086
Earnings Per Common Share
Basic Earnings Per Share (usd per share)	$ 0.32	$ 0.39	$ 0.83	$ 1.20
Diluted Earnings Per Share (usd per share)	$ 0.32	$ 0.38	$ 0.83	$ 1.19