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Note 4- Segment Information (Detail) - Segment Reporting (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jan. 25, 2013
Jan. 20, 2012
Nov. 02, 2012
Sales to external customers $ 30,771 $ 29,715  
Net sales 30,771 29,715  
Cost of products sold 18,738 21,152  
Gross margin 12,033 8,563  
Selling, general and administrative expenses 10,139 8,841  
Income (loss) before taxes 1,894 (278)  
Total assets 61,942 56,211 61,550
Additions to property, plant and equipment 692 263  
Frozen Food Products [Member]
      
Sales to external customers 12,500 13,653  
Net sales 12,500 13,653  
Cost of products sold 7,606 8,803  
Gross margin 4,894 4,850  
Selling, general and administrative expenses 4,036 3,859  
Income (loss) before taxes 858 991  
Total assets 12,808 10,805  
Additions to property, plant and equipment 84 19  
Refrigerated And Snack Food Products [Member]
      
Sales to external customers 18,271 16,062  
Intersegment sales 195 186  
Net sales 18,466 16,248  
Cost of products sold 11,327 12,535  
Gross margin 7,139 3,713  
Selling, general and administrative expenses 6,108 5,002  
Income (loss) before taxes 1,031 (1,289)  
Total assets 29,465 22,295  
Additions to property, plant and equipment 629 233  
All Other Segments [Member]
      
Selling, general and administrative expenses (5) (20)  
Income (loss) before taxes 5 20  
Total assets 19,669 23,111  
Additions to property, plant and equipment (21) 11  
Intersegment Elimination [Member]
      
Intersegment sales (195) (186)  
Net sales (195) (186)  
Cost of products sold $ (195) $ (186)