Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Cash Flows From Operating Activities:
Net Income	$ 49,337	$ 60,714
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities:
Provision For Doubtful Accounts	18	(1,045)
Amortization and Depreciation	37,964	35,077
Deferred Income Tax Expense	(331)	(32)
Property, Plant and Equipment, Disposals	6,602	464
Net Loss (Gain) On Insurance Settlement or On Sale of Property, Plant & Equipment	26	(465)
Amortization of Deferred Borrowing Costs	952	1,015
Share Based Compensation Expense	4,408	3,493
Effects of Changes In Assets & Liabilities:
Accounts Receivable	(33,706)	(3,209)
Inventories	(20,760)	(7,872)
Prepaid Expenses and Other	(1,554)	(935)
Other Assets	(2,451)	(420)
Net Change In Billings Related To Costs and Estimated Earnings On Uncompleted Contracts	8,853	(3,056)
Accounts Payable	7,588	15,835
Other Accrued Liabilities and Income Taxes Payable	329	4,594
Net Cash Provided By Operating Activities	57,275	104,158
Cash Flows Used For Investing Activities:
Proceeds From Sale Or Insurance Settlement of Property, Plant, and Equipment	543	1,111
Purchase of Property, Plant and Equipment	(29,135)	(32,161)
Acquisition of Subsidiaries, Net of Cash Acquired	(22,679)	(49,818)
Net Cash From Investing Activities	(51,271)	(80,868)
Cash Flows From Financing Activities:
Excess Tax Benefits From Stock Options and Stock Appreciation Rights	0	496
Proceeds from revolving loan	150,000	112,481
Payments on revolving loan	(144,000)	(108,561)
Payments on Long Term Debt	(20,848)	(19,911)
Payments for Repurchase of Common Stock	(5,282)	0
Payments of Dividends	(12,216)	(11,606)
Net Cash Used In Financing Activities	(32,346)	(27,101)
Effect of Exchange Rate Changes on Cash	(370)	(1,118)
Net Increase (Decrease) In Cash & Cash Equivalents	(26,712)	(4,929)
Cash & Cash Equivalents At Beginning of Period	40,191	22,527
Cash & Cash Equivalents At End of Period	13,479	17,598
Supplemental Disclosures
Cash Paid For Interest	9,291	9,942
Cash Paid For Income Taxes	$ 17,768	$ 15,638