Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2016	May 31, 2015
Cash Flows From Operating Activities:
Net Income	$ 21,063	$ 19,924
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities:
Provision For Doubtful Accounts	(87)	101
Amortization and Depreciation	12,634	11,063
Deferred Income Tax Expense	2,155	(3,270)
Net Loss (Gain) On Insurance Settlement or On Sale of Property, Plant & Equipment	(110)	(424)
Amortization of Deferred Borrowing Costs	323	343
Share Based Compensation Expense	1,112	771
Effects of Changes In Assets & Liabilities:
Accounts Receivable	(20,976)	(4,230)
Inventories	(5,547)	(6,258)
Prepaid Expenses and Other	(4,833)	(5,013)
Other Assets	74	73
Net Change In Billings Related To Costs and Estimated Earnings On Uncompleted Contracts	5,447	(20,534)
Accounts Payable	7,747	2,957
Other Accrued Liabilities and Income Taxes Payable	(9,365)	9,219
Net Cash Provided By Operating Activities	9,637	4,722
Cash Flows Used For Investing Activities:
Proceeds From Sale Or Insurance Settlement of Property, Plant, and Equipment	127	262
Purchase of Property, Plant and Equipment	(10,503)	(6,470)
Acquisition of Subsidiaries, Net of Cash Acquired	(22,679)	0
Net Cash From Investing Activities	(33,055)	(6,208)
Cash Flows From Financing Activities:
Excess Tax Benefits From Stock Options and Stock Appreciation Rights	231	(138)
Proceeds from revolving loan	61,000	59,481
Payments on revolving loan	(46,000)	(14,080)
Payments on Long Term Debt	(16,160)	(16,161)
Payments of Dividends	(3,888)	(3,865)
Net Cash Used In Financing Activities	(4,817)	25,237
Effect of Exchange Rate Changes on Cash	119	(514)
Net Increase (Decrease) In Cash & Cash Equivalents	(28,116)	23,237
Cash & Cash Equivalents At Beginning of Period	40,191	22,527
Cash & Cash Equivalents At End of Period	12,075	45,764
Supplemental Disclosures
Cash Paid For Interest	2,573	2,859
Cash Paid For Income Taxes	$ 6,966	$ 3,583