Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
Cash Flows From Operating Activities:
Net Income	$ 21,848	$ 32,348
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities:
Provision For Doubtful Accounts	47	11
Amortization and Depreciation	24,984	25,370
Deferred Income Tax Expense	850	2,266
Property, Plant and Equipment, Disposals	0	6,706
Net Loss (Gain) On Insurance Settlement or On Sale of Property, Plant & Equipment	554	82
Amortization of Deferred Borrowing Costs	303	639
Share Based Compensation Expense	3,400	3,198
Effects of Changes In Assets & Liabilities:
Accounts Receivable	939	(3,247)
Inventories	(13,304)	(3,267)
Prepaid Expenses and Other	(4,021)	(3,040)
Other Assets	(1,106)	141
Net Change In Billings Related To Costs and Estimated Earnings On Uncompleted Contracts	(14,197)	(1,874)
Accounts Payable	(6,770)	1,656
Other Accrued Liabilities and Income Taxes Payable	(10,742)	(10,961)
Net Cash Provided By Operating Activities	2,785	50,028
Cash Flows Used For Investing Activities:
Proceeds From Sale Or Insurance Settlement of Property, Plant, and Equipment	177	320
Purchase of Property, Plant and Equipment	(16,636)	(19,760)
Acquisition of Subsidiaries, Net of Cash Acquired	(10,250)	(22,679)
Net Cash From Investing Activities	(26,709)	(42,119)
Cash Flows From Financing Activities:
Proceeds from revolving loan	209,000	86,000
Payments on revolving loan	(115,500)	(92,000)
Payments on Long Term Debt	(63,504)	(18,505)
Payments for Repurchase of Common Stock	(5,185)	0
Payments of Dividends	(8,845)	(7,787)
Net Cash Used In Financing Activities	15,966	(32,292)
Effect of Exchange Rate Changes on Cash	205	106
Net Increase (Decrease) In Cash & Cash Equivalents	(7,753)	(24,277)
Cash & Cash Equivalents At Beginning of Period	11,302	40,191
Cash & Cash Equivalents At End of Period	3,549	15,914
Supplemental Disclosures
Cash Paid For Interest	7,020	7,230
Cash Paid For Income Taxes	$ 7,605	$ 9,764