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Product Warranties (Tables)
 6 Months Ended
Jul. 02, 2016
Product Warranties Disclosures [Abstract]  
Activity Associated with Warranty Obligations
Activity associated with warranty obligations was as follows during the periods noted:
(In thousands)
 
July 2, 2016
 
July 4, 2015

Balance at beginning of period
 
$
16,227

 
$
16,719

Accruals for warranties issued during period
 
10,159

 
10,535

Adjustments related to pre-existing warranties
 
276

 
349

Settlements made during the period
 
(10,586
)
 
(11,139
)
Balance at end of period
 
$
16,076

 
$
16,464