Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2015	Nov. 30, 2014
Cash Flows From Operating Activities:
Net Income	$ 60,714	$ 48,659
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities:
Provision For Doubtful Accounts	(1,045)	311
Amortization and Depreciation	35,077	35,112
Deferred Income Tax Expense	(32)	3,628
Property, Plant and Equipment, Disposals	464	2,651
Net Loss (Gain) On Insurance Settlement or On Sale of Property, Plant & Equipment	(465)	(1,195)
Amortization of Deferred Borrowing Costs	1,015	1,078
Share Based Compensation Expense	3,493	3,342
Effects of Changes In Assets & Liabilities:
Accounts Receivable	(3,209)	(15,483)
Inventories	(7,872)	(4,715)
Prepaid Expenses and Other	(935)	3,596
Other Assets	(420)	(161)
Net Change In Billings Related To Costs and Estimated Earnings On Uncompleted Contracts	(3,056)	(7,874)
Accounts Payable	15,835	19,875
Other Accrued Liabilities and Income Taxes Payable	4,594	(5,896)
Net Cash Provided By Operating Activities	104,158	82,928
Cash Flows Used For Investing Activities:
Proceeds From Sale Or Insurance Settlement of Property, Plant, and Equipment	1,111	1,321
Purchase of Property, Plant and Equipment	(32,161)	(19,859)
Acquisition of Subsidiaries, Net of Cash Acquired	(49,818)	(10,500)
Net Cash From Investing Activities	(80,868)	(29,038)
Cash Flows From Financing Activities:
Excess Tax Benefits From Stock Options and Stock Appreciation Rights	496	214
Proceeds from revolving loan	112,481	10,977
Payments on revolving loan	(108,561)	(19,000)
Payments on Long Term Debt	(19,911)	(18,973)
Payments of Dividends	(11,606)	(11,038)
Net Cash Used In Financing Activities	(27,101)	(37,820)
Effect of Exchange Rate Changes on Cash	(1,118)	316
Net Increase (Decrease) In Cash & Cash Equivalents	(4,929)	16,386
Cash & Cash Equivalents At Beginning of Period	22,527	27,565
Cash & Cash Equivalents At End of Period	17,598	43,951
Supplemental Disclosures
Cash Paid For Interest	9,942	11,044
Cash Paid For Income Taxes	$ 15,638	$ 15,264