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Note J - Commitments (Tables)
12 Months Ended
Sep. 29, 2012
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
   
Plants and Offices
   
Equipment
   
Total
 
    (in thousands)  
2013
  $ 5,086     $ 3,004     $ 8,090  
2014
    4,687       2,219       6,906  
2015
    4,438       1,434       5,872  
2016
    3,093       1,081       4,174  
2017
    2,630       702       3,332  
2018 and thereafter
    17,684       -       17,684  
    $ 37,618     $ 8,440     $ 46,058