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Condensed Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Apr. 30, 2012
Current assets:    
Cash and cash equivalents $ 6,978 $ 4,782
Marketable securities 16,931 17,658
Accounts receivable, net of allowance for doubtful accounts of $400 at October 31, 2012 and April 30, 2012 9,918 10,866
Costs and estimated earnings in excess of billings, net 10,587 7,207
Inventories 35,347 34,299
Deferred income taxes 2,818 3,152
Prepaid expenses and other 1,322 1,398
Total current assets 83,901 79,362
Property, plant and equipment, at cost, less accumulated depreciation and amortization 7,893 8,374
Deferred income taxes 5,892 5,692
Goodwill and other intangible assets 827 873
Cash surrender value of life insurance and cash held in trust 10,448 10,133
Investment in affiliates 807 809
Other assets 950 984
Total assets 110,718 106,227
Current liabilities:    
Short-term credit obligations 8,722 6,383
Accounts payable - trade 2,203 2,644
Accrued liabilities 6,492 6,986
Income taxes payable    96
Total current liabilities 17,417 16,109
Capital lease obligation- noncurrent   15
Deferred compensation 10,310 10,179
Deferred rent and other liabilities 863 792
Total liabilities 28,590 27,095
Commitments and contingencies      
Stockholders' equity:    
Preferred stock - $1.00 par value      
Common stock - $1.00 par value, issued 9,163,940 shares 9,164 9,164
Additional paid-in capital 51,289 50,797
Retained earnings 20,869 18,660
Stockholders' Equity before Treasury Stock, Total 81,322 78,621
Common stock reacquired and held in treasury - at cost (756,987 shares at October 31, 2012 and 800,787 shares at April 30, 2012) (3,454) (3,659)
Accumulated other comprehensive income 4,260 4,170
Total stockholders' equity 82,128 79,132
Total liabilities and stockholders' equity $ 110,718 $ 106,227