Condensed Consolidated Balance Sheets (USD $)	May 31, 2013	Feb. 28, 2013
Current Assets:
Cash and Cash Equivalents	$ 41,635,118	$ 55,597,751
Accounts Receivable (Net of Allowance for Doubtful Accounts of $2,192,972 at May 31, 2013 and $1,000,000 at February 28, 2013)	128,752,259	97,857,193
Inventories:
Raw Material	60,498,177	47,189,162
Work-In-Process	42,897,776	32,040,915
Finished Goods	3,030,346	3,100,849
Costs and Estimated Earnings In Excess of Billings On Uncompleted Contracts	20,601,463	12,878,068
Deferred Income Taxes	9,754,383	7,615,525
Prepaid Expenses and Other	10,261,734	6,152,476
Total Current Assets	317,431,256	262,431,939
Property, Plant and Equipment, Net	187,766,434	154,476,220
Goodwill	281,428,273	171,886,270
Intangibles and Other Assets, Net	195,569,667	105,410,385
Total Assets	982,195,630	694,204,814
Current Liabilities:
Accounts Payable	43,045,426	28,921,539
Income Tax Payables	5,119,950	568,722
Accrued Salaries and Wages	9,141,518	11,013,779
Other Accrued Liabilities	26,669,827	14,811,126
Customer Advance Payment	43,115,470	39,168,672
Profit Sharing	1,953,065	8,360,000
Long Term Debt Due Within One Year	18,035,714	14,285,714
Billings In Excess of Costs and Estimated Earnings On Uncompleted Contracts	2,400,890	1,769,656
Total Current Liabilities	149,481,860	118,899,208
Long Term Accrued Liabilities Due After One Year	8,909,686	8,539,278
Long-Term Debt Due After One Year	435,392,857	196,428,571
Deferred Income Taxes	42,082,682	36,403,283
Shareholders' Equity:
Common Stock, $1 Par Value, Shares Authorized 100,000,000 (25,478,762 Shares at May 31, 2013 and 25,376,967 Shares at February 28, 2013)	25,478,762	25,376,967
Capital In Excess of Par Value	19,525,711	17,653,912
Retained Earnings	305,073,463	294,092,945
Accumulated Other Comprehensive Income	(3,749,391)	(3,189,350)
Total Shareholders' Equity	346,328,545	333,934,474
Total Liabilities and Shareholders' Equity	$ 982,195,630	$ 694,204,814