Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	May. 31, 2015	May. 31, 2014
Cash Flows From Operating Activities:
Net Income	$ 19,924	$ 14,925
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities:
Provision For Doubtful Accounts	101	(197)
Amortization and Depreciation	11,063	11,538
Deferred Income Tax Expense	(3,270)	(462)
Net Loss (Gain) On Insurance Settlement or On Sale of Property, Plant & Equipment	(424)	(27)
Amortization of Deferred Borrowing Costs	343	366
Share Based Compensation Expense	771	1,139
Effects of Changes In Assets & Liabilities:
Accounts Receivable	(4,230)	(14,591)
Inventories	(6,258)	(6,551)
Prepaid Expenses and Other	(5,013)	(2,688)
Other Assets	73	78
Net Change In Billings Related To Costs and Estimated Earnings On Uncompleted Contracts	(20,534)	(3,838)
Accounts Payable	2,957	13,938
Other Accrued Liabilities and Income Taxes Payable	9,219	(1,536)
Net Cash Provided By Operating Activities	4,722	12,094
Cash Flows Used For Investing Activities:
Proceeds From Sale Or Insurance Settlement of Property, Plant, and Equipment	262	34
Purchase of Property, Plant and Equipment	(6,470)	(5,854)
Net Cash From Investing Activities	(6,208)	(5,820)
Cash Flows From Financing Activities:
Excess Tax Benefits From Stock Options and Stock Appreciation Rights	(138)	366
Proceeds from revolving loan	59,481	10,000
Payments on revolving loan	(14,080)	0
Payments on Long Term Debt	(16,161)	(15,223)
Payments of Dividends	(3,865)	(3,590)
Net Cash Used In Financing Activities	25,237	(8,447)
Effect of Exchange Rate Changes on Cash	(514)	256
Net Increase (Decrease) In Cash & Cash Equivalents	23,237	(1,917)
Cash & Cash Equivalents At Beginning of Period	22,527	27,565
Cash & Cash Equivalents At End of Period	45,764	25,648
Supplemental Disclosures
Cash Paid For Interest	2,859	3,498
Cash Paid For Income Taxes	$ 3,583	$ 6,486