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Warranty Reserves (Tables)
 6 Months Ended
Jul. 01, 2012
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Reserve Activity
The following is a summary of warranty reserve activity (in thousands):
 
Twenty-Six Weeks Ended
 
July 1,
2012
 
July 3,
2011
Balance, beginning of period
$
11,683

 
$
8,648

Reductions for warranty costs incurred
(5,239
)
 
(5,215
)
Warranties issued
5,153

 
6,557

Translation and changes in estimates
(118
)
 
302

Balance, end of period
$
11,479

 
$
10,292