Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	May 31, 2014	May 31, 2013
Cash Flows From Operating Activities:
Net Income	$ 14,925,391	$ 14,546,783
Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities:
Provision For Doubtful Accounts	(196,853)	(89,887)
Amortization and Depreciation	11,537,590	10,065,220
Deferred Income Tax Expense	(462,376)	2,254,920
Net Loss (Gain) On Insurance Settlement or On Sale of Property, Plant & Equipment	(26,563)	(23,341)
Amortization of Deferred Borrowing Costs	365,632	280,025
Share Based Compensation Expense	1,139,372	1,607,220
Effects of Changes In Assets & Liabilities:
Accounts Receivable	(14,591,042)	27,931,086
Inventories	(6,550,636)	(4,826,240)
Prepaid Expenses and Other	(2,688,064)	(3,318,159)
Other Assets	77,734	(4,004,609)
Net Change In Billings Related To Costs and Estimated Earnings On Uncompleted Contracts	(3,838,061)	(6,451,003)
Accounts Payable	13,938,173	412,684
Other Accrued Liabilities and Income Taxes Payable	(1,536,161)	1,493,841
Net Cash Provided By Operating Activities	12,094,136	39,878,540
Cash Flows Used For Investing Activities:
Proceeds From Sale Or Insurance Settlement of Property, Plant, and Equipment	33,933	28,662
Purchase of Property, Plant and Equipment	(5,854,132)	(11,607,540)
Acquisition of Subsidiaries, Net of Cash Acquired	0	(276,599,990)
Net Cash From Investing Activities	(5,820,199)	(288,178,868)
Cash Flows From Financing Activities:
Excess Tax Benefits From Stock Options and Stock Appreciation Rights	365,615	1,114,728
Proceeds from Revolving Loan	10,000,000	197,000,000
Payments on Revolving Loan	0	(15,000,000)
Proceeds on Long Term Debt	0	75,000,000
Payments on Long Term Debt	(15,223,214)	(14,285,714)
Debt Acquisition Costs	0	(5,880,539)
Payments of Dividends	(3,589,521)	(3,566,265)
Net Cash Used In Financing Activities	(8,447,120)	234,382,210
Effect of Exchange Rate Changes on Cash	256,323	(44,515)
Net Increase (Decrease) In Cash & Cash Equivalents	(1,916,860)	(13,962,633)
Cash & Cash Equivalents At Beginning of Period	27,564,533	55,597,751
Cash & Cash Equivalents At End of Period	25,647,673	41,635,118
Supplemental Disclosures
Cash Paid For Interest	3,497,852	2,821,579
Cash Paid For Income Taxes	$ 6,485,943	$ 403,372