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Product Warranties (Tables)
3 Months Ended
Apr. 02, 2016
Product Warranties Disclosures [Abstract]  
Activity Associated with Warranty Obligations
Activity associated with warranty obligations was as follows during the periods noted:
 
 
Three Months Ended
(In thousands)
 
April 2, 2016
 
April 4, 2015
Balance at beginning of period
 
$
16,227

 
$
16,719

Accruals for warranties issued during period
 
5,480

 
6,102

Adjustments related to pre-existing warranties
 
281

 
339

Settlements made during the period
 
(5,831
)
 
(6,381
)
Balance at end of period
 
$
16,157

 
$
16,779