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Warranty Reserves (Tables)
 9 Months Ended
Sep. 28, 2014
Product Warranties Disclosures [Abstract]  
Schedule of Warranty Reserve Activity
The following is a summary of warranty reserve activity (in thousands):
 
Thirty-Nine Weeks Ended
 
September 28,
2014
 
September 29,
2013
Balance, beginning of period
$
12,705

 
$
12,049

Reductions for warranty costs incurred
(10,132
)
 
(9,478
)
Warranties issued
9,826

 
9,776

Translation and changes in estimates
(271
)
 
3

Balance, end of period
$
12,128

 
$
12,350