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Guarantees (Tables)
 6 Months Ended
Jun. 29, 2013
Commitments And Contingencies Disclosure [Abstract]  
Changes in Accrued Warranty

Changes in accrued warranty were as follows (in thousands):

 

     Three Months Ended     Six Months Ended  
     June 29,
2013		     June 30,
2012		     June 29,
2013		     June 30,
2012		  
  

 

 

    

 

 

  

Balance at beginning of period

    $ 5,340     $ 6,727     $ 4,692     $ 6,801  

Warranty expense accruals

      1,928       1,148       2,168       2,813  

Warranty payments

      (1,457 )      (1,741 )      (2,866 )      (3,480 ) 

Warranty liability assumed

      —         —         1,817       —    
  

 

 

    

 

 

    

 

 

    

 

 

  

Balance at end of period

    $ 5,811     $ 6,134     $ 5,811     $ 6,134