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Warranty Reserves (Tables)
 3 Months Ended
Mar. 30, 2014
Product Warranties Disclosures [Abstract]  
Schedule of Warranty Reserve Activity
The following is a summary of warranty reserve activity (in thousands):
 
Thirteen Weeks Ended
 
March 30,
2014
 
March 31,
2013
Balance, beginning of period
$
12,705

 
$
12,049

Reductions for warranty costs incurred
(2,779
)
 
(3,403
)
Warranties issued
3,333

 
3,788

Translation and changes in estimates
5

 
(154
)
Balance, end of period
$
13,264

 
$
12,280