Condensed Consolidated Balance Sheets (USD $)	Nov. 30, 2014	Feb. 28, 2014
Current Assets:
Cash and Cash Equivalents	$ 43,950,753	$ 27,564,533
Accounts Receivable (Net of Allowance for Doubtful Accounts of $1,422,262 as of November 30, 2014 and $1,744,321 as of February 28, 2014)	130,699,962	116,127,857
Inventories:
Raw Material	63,813,601	64,817,203
Work-In-Process	44,646,598	39,780,782
Finished Goods	3,814,865	2,982,860
Costs and Estimated Earnings In Excess of Billings On Uncompleted Contracts	34,942,863	27,221,952
Deferred Income Taxes	6,784,771	7,800,738
Prepaid Expenses and Other	6,579,823	9,884,798
Total Current Assets	335,233,236	296,180,723
Property, Plant and Equipment, Net	196,157,668	197,639,229
Goodwill	281,230,194	278,556,040
Intangibles and Other Assets, Net	168,718,259	180,877,043
Total Assets	981,339,357	953,253,035
Current Liabilities:
Accounts Payable	58,873,096	38,832,557
Income Tax Payables	7,542,440	5,358,594
Accrued Salaries and Wages	15,247,795	17,759,777
Other Accrued Liabilities	22,587,716	17,155,430
Customer Advance Payment	32,545,258	33,733,099
Profit Sharing	5,167,632	7,310,000
Long Term Debt Due Within One Year	22,762,810	20,848,214
Billings In Excess of Costs and Estimated Earnings On Uncompleted Contracts	3,273,245	3,018,379
Total Current Liabilities	167,999,992	144,016,050
Other Liabilities, Noncurrent	0	9,120,723
Long-Term Debt Due After One Year	355,857,143	384,767,857
Deferred Income Taxes	42,000,379	39,435,143
Shareholders' Equity:
Common Stock, $1 Par Value, Shares Authorized 100,000,000 (25,714,873 Shares at November 30, 2014 and 25,577,205 Shares at February 28, 2014)	25,714,873	25,577,205
Capital In Excess of Par Value	26,759,205	21,954,777
Retained Earnings	377,020,915	339,399,556
Accumulated Other Comprehensive Income	(14,013,150)	(11,018,276)
Total Shareholders' Equity	415,481,843	375,913,262
Total Liabilities and Shareholders' Equity	$ 981,339,357	$ 953,253,035