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Warranty Reserves (Tables)
 6 Months Ended
Jun. 28, 2015
Product Warranties Disclosures [Abstract]  
Schedule of Warranty Reserve Activity
The following is a summary of warranty reserve activity (in thousands):
 
Twenty-Six Weeks Ended
 
June 28,
2015
 
June 29,
2014
Balance, beginning of period
$
13,005

 
$
12,705

Reductions for warranty costs incurred
(7,234
)
 
(6,430
)
Warranties issued
7,809

 
6,347

Translation and changes in estimates
(269
)
 
(2
)
Balance, end of period
$
13,311

 
$
12,620