Condensed Consolidated Balance Sheets (USD $)	Feb. 28, 2014	Feb. 28, 2013
Current assets:
Cash and cash equivalents	$ 27,564,533	$ 55,597,751
Accounts receivable, net of allowance for doubtful accounts of $1,744,321 and $1,000,000 in 2014 and 2013, respectively	116,127,857	97,857,193
Inventories - net	107,580,845	82,330,926
Costs and estimated earnings in excess of billings on uncompleted contracts	27,221,952	12,878,068
Deferred income tax assets	7,800,738	7,615,525
Prepaid expenses and other	9,884,798	6,152,476
Total current assets	296,180,723	262,431,939
Property, plant, and equipment, at cost:
Land	15,116,009	16,007,166
Buildings and structures	117,764,526	101,109,332
Machinery and equipment	175,955,136	133,636,597
Furniture, fixtures, software and computers	20,497,261	16,401,547
Automotive equipment	2,429,168	2,219,829
Construction in progress	8,277,151	5,555,208
Gross property, plant, and equipment	340,039,251	274,929,679
Less accumulated depreciation	(142,400,022)	(120,453,459)
Net property, plant, and equipment	197,639,229	154,476,220
Goodwill	278,556,040	171,886,270
Intangibles and other assets	180,877,043	105,410,385
Total Assets	953,253,035	694,204,814
Current Liabilities:
Accounts payable	38,832,557	28,921,539
Income tax payable	5,358,594	568,722
Accrued salaries and wages	17,759,777	11,013,779
Other accrued liabilities	17,155,430	14,811,126
Customer advance payment	33,733,099	39,168,672
Profit sharing	7,310,000	8,360,000
Billings in excess of costs and estimated earnings on uncompleted contracts	3,018,379	1,769,656
Long-term debt due within one year	20,848,214	14,285,714
Total Current Liabilities	144,016,050	118,899,208
Long-term accrued liability due after one year	9,120,723	8,539,278
Long-term debt due after one year	384,767,857	196,428,571
Deferred income tax liabilities	39,435,143	36,403,283
Total liabilities	577,339,773	360,270,340
Commitments and Contingencies
Shareholders' Equity:
Common Stock, $1.00 par value; 100,000,000 shares authorized; 25,577,205 shares issued and outstanding at February 28, 2014 and 25,376,967 at February 28, 2013	25,577,205	25,376,967
Capital in excess of par value	21,954,777	17,653,912
Retained earnings	339,399,556	294,092,945
Accumulated other comprehensive income (loss)	(11,018,276)	(3,189,350)
Total Shareholders’ Equity	375,913,262	333,934,474
Total Liabilities and Shareholders’ Equity	$ 953,253,035	$ 694,204,814