Condensed Consolidated Balance Sheets (USD $)	Aug. 31, 2013	Feb. 28, 2013
Current Assets:
Cash and Cash Equivalents	$ 41,983,858	$ 55,597,751
Accounts Receivable (Net of Allowance for Doubtful Accounts of $1,840,642 at August 31, 2013 and $1,000,000 at February 28, 2013)	131,855,452	97,857,193
Inventories:
Raw Material	59,994,690	47,189,162
Work-In-Process	39,270,310	32,040,915
Finished Goods	2,331,360	3,100,849
Costs and Estimated Earnings In Excess of Billings On Uncompleted Contracts	24,090,827	12,878,068
Deferred Income Taxes	9,341,091	7,615,525
Prepaid Expenses and Other	9,815,546	6,152,476
Total Current Assets	318,683,134	262,431,939
Property, Plant and Equipment, Net	193,265,390	154,476,220
Goodwill	281,874,766	171,886,270
Intangibles and Other Assets, Net	189,992,725	105,410,385
Total Assets	983,816,015	694,204,814
Current Liabilities:
Accounts Payable	42,890,094	28,921,539
Income Tax Payables	2,101,690	568,722
Accrued Salaries and Wages	10,504,398	11,013,779
Other Accrued Liabilities	20,284,954	14,811,126
Customer Advance Payment	38,086,564	39,168,672
Profit Sharing	3,947,294	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	3,153,185	1,769,656
Total Current Liabilities	139,003,893	118,899,208
Long Term Accrued Liabilities Due After One Year	8,988,155	8,539,278
Long-Term Debt Due After One Year	434,455,357	196,428,571
Deferred Income Taxes	43,042,992	36,403,283
Shareholders' Equity:
Common Stock, $1 Par Value, Shares Authorized 100,000,000 (25,499,124 Shares at August 31, 2013 and 25,376,967 Shares at February 28, 2013)	25,499,124	25,376,967
Capital In Excess of Par Value	20,440,575	17,653,912
Retained Earnings	317,868,225	294,092,945
Accumulated Other Comprehensive Income	(5,482,306)	(3,189,350)
Total Shareholders' Equity	358,325,618	333,934,474
Total Liabilities and Shareholders' Equity	$ 983,816,015	$ 694,204,814