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Warranty Costs (Tables)
3 Months Ended
Mar. 30, 2013
Notes To Financial Statements [Abstract]  
Product Warranty Table Disclosure
A rollforward of the warranty reserve is as follows:
 
Three Months Ended
 
Mar 30, 2013
 
(in thousands)
Beginning balance
$
17,593

Warranty reserve related to acquisitions
3,951

Warranty expense
8,493

Warranty claims
(10,897
)
Ending balance
$
19,140