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Note 4 - Segment Information (Detail) - Segment Reporting (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Jul. 06, 2012
Jul. 08, 2011
Jul. 06, 2012
Jul. 08, 2011
Oct. 28, 2011
Sales to external customers $ 27,862 $ 26,611 $ 84,890 $ 80,598  
Net sales 27,862 26,611 84,890 80,598  
Cost of products sold 17,661 18,412 56,385 54,132  
Gross margin 10,201 8,199 28,505 26,466  
Selling, general and administrative expenses 9,340 8,782 26,882 26,424  
Income (loss) before taxes 861 (583) 1,623 42  
Total assets 59,192 58,131 59,192 58,131 56,966
Additions to property, plant and equipment     430 1,552  
Frozen Food Products [Member]
          
Sales to external customers 11,186 10,993 37,448 37,378  
Net sales 11,186 10,993 37,448 37,378  
Cost of products sold 6,641 7,041 23,071 23,130  
Gross margin 4,545 3,952 14,377 14,248  
Selling, general and administrative expenses 3,820 3,790 11,618 11,517  
Income (loss) before taxes 725 162 2,759 2,731  
Total assets 11,961 10,424 11,961 10,424  
Additions to property, plant and equipment 1,922 472 1,964 612  
Refrigerated And Snack Food Products [Member]
          
Sales to external customers 16,676 15,618 47,442 43,220  
Intersegment sales 254 254 639 767  
Net sales 16,930 15,872 48,081 43,987  
Cost of products sold 11,274 11,625 33,953 31,769  
Gross margin 5,656 4,247 14,128 12,218  
Selling, general and administrative expenses 5,527 4,980 15,290 14,911  
Income (loss) before taxes 129 (733) (1,162) (2,693)  
Total assets 22,765 25,476 22,765 25,476  
Additions to property, plant and equipment 64 423 292 782  
All Other Segments [Member]
          
Selling, general and administrative expenses (7) 12 (26) (4)  
Income (loss) before taxes 7 (12) 26 4  
Total assets 24,466 22,231 24,466 22,231  
Additions to property, plant and equipment 3   22 158  
Intersegment Elimination [Member]
          
Intersegment sales 254 254 639 767  
Net sales 254 254 639 767  
Cost of products sold 254 254 639 767  
Fixed Asset Additions By Segment [Member]
          
Additions to property, plant and equipment $ 1,989 $ 895 $ 2,278 $ 1,552