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Warranty Reserves (Tables)
 6 Months Ended
Jul. 03, 2016
Product Warranties Disclosures [Abstract]  
Schedule of Warranty Reserve Activity
The following is a summary of warranty reserve activity (in thousands):
 
Twenty-Six Weeks Ended
 
July 3,
2016
 
June 28,
2015
Balance, beginning of period
$
14,107

 
$
13,005

Reductions for warranty costs incurred
(7,023
)
 
(7,234
)
Warranties issued
8,427

 
7,809

Translation and changes in estimates
285

 
(269
)
Balance, end of period
$
15,796

 
$
13,311