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Note 7 - Accrued Expenses (Tables)
12 Months Ended
Dec. 28, 2014
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities [Table Text Block]
   

2014

   

2013

 
   

(in thousands)

 

Compensation

  $ 56,354     $ 54,125  

Interest

    709       1,768  

Restructuring

    7,179       519  

Taxes

    17,962       12,685  

Accrued purchases

    2,966       1,258  

Other

    9,153       7,317  
                 
    $ 94,323     $ 77,672