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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Jan. 26, 2013
Apr. 28, 2012
CURRENT ASSETS:    
Cash and cash equivalents $ 24,504 $ 29,423
Restricted cash 49 1,169
Marketable securities 25,539 25,258
Accounts receivable, net 59,592 66,923
Inventories 49,578 54,924
Costs and estimated earnings in excess of billings 41,120 23,020
Current maturities of long-term receivables 5,123 5,830
Prepaid expenses and other assets 6,606 5,528
Deferred income taxes 11,191 10,941
Income tax receivables 2,847 5,990
Total current assets 226,149 229,006
Long-term receivables, less current maturities 12,181 12,622
Goodwill 3,328 3,347
Intangibles 1,238 1,409
Advertising rights, net and other assets 988 1,157
Deferred income taxes 35 30
Total noncurrent assets 17,770 18,565
PROPERTY AND EQUIPMENT:    
Land 1,497 1,497
Buildings 57,018 56,431
Machinery and equipment 63,789 61,654
Office furniture and equipment 16,199 15,648
Computer software and hardware 41,506 42,172
Equipment held for rental 868 1,003
Demonstration equipment 8,315 9,806
Transportation equipment 4,100 4,116
Property and equipment, gross 193,292 192,327
Less accumulated depreciation 130,626 123,931
Property and equipment, net 62,666 68,396
TOTAL ASSETS 306,585 315,967
CURRENT LIABILITIES:    
Notes payable, bank 0 1,459
Accounts payable 31,798 33,906
Accrued expenses 23,834 22,731
Warranty obligations 12,076 13,049
Billings in excess of costs and estimated earnings 14,796 14,385
Customer deposits (billed or collected) 11,323 12,826
Deferred revenue (billed or collected) 8,553 9,751
Current portion of other long-term obligations 394 359
Income tax payable 625 665
Deferred income taxes 39 42
Total current liabilities 103,438 109,173
Long-term warranty obligations 9,996 9,166
Long-term deferred revenue (billed or collected) 5,221 4,361
Other long-term obligations, less current maturities 803 1,009
Deferred income taxes 1,453 1,453
Total long-term liabilities 17,473 15,989
TOTAL LIABILITIES 120,911 125,162
SHAREHOLDERS' EQUITY:    
Common stock, no par value, authorized 120,000,000 shares; 42,373,947 and 41,930,116 shares issued at January 26, 2013 and April 28, 2012, respectively 37,259 34,631
Additional paid-in capital 26,549 24,320
Retained earnings 121,906 131,830
Treasury stock, at cost, 19,680 shares (9) (9)
Accumulated other comprehensive (loss) income (31) 33
TOTAL SHAREHOLDERS' EQUITY 185,674 190,805
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ 306,585 $ 315,967