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Guarantees (Tables)
 12 Months Ended
Dec. 28, 2013
Commitments And Contingencies Disclosure [Abstract]  
Changes in Accrued Warranty

Changes in accrued warranty during the three-year period ended December 28, 2013 were as follows:

 

(in thousands)

    2013     2012     2011  

Beginning balance

    $ 4,692     $ 6,801     $ 5,016  

Warranty accruals

      5,410       4,214       10,987  

Warranty payments

      (6,667 )      (6,323 )      (9,202 ) 

Warranty liability assumed

      1,817       —       —  
  

 

 

    

 

 

    

 

 

  

Ending balance

    $ 5,252     $ 4,692     $ 6,801