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Note 13 - Restructuring and Asset Impairment Charges (Tables)
 3 Months Ended
Apr. 02, 2017
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   
Total
Restructuring
Charge
    
Costs Incurred
in 2016
    
Costs Incurred
in 2017
    
Balance at
April, 2, 2017
  
 
 
(in thousands)
  
Workforce Reduction
   $
10,652
     $
1,451
     $
2,739
     $
6,462
  
Asset Impairment
    
11,319
      
8,019
      
3,300
      
0
  
Lease Exit Costs
    
5,116
      
27
      
1,102
      
3,987