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Warranty Liabilities (Tables)
 12 Months Ended
Dec. 31, 2016
Product Warranties Disclosures [Abstract]  
Schedule of warranty liability activity
Warranty liability activity consisted of the following (in thousands):
Fiscal Year
2016
 
2015
 
2014
Beginning balance
$
13,669

 
$
13,500

 
$
15,658

Settlements in cash or kind
(9,616
)
 
(9,310
)
 
(12,313
)
Warranties issued and adjustments to preexisting warranties(1)
11,368

 
9,435

 
10,155

Liabilities assumed in acquisition
—

 
44

 
—

Ending balance
$
15,421

 
$
13,669

 
$
13,500

____________________________________________
(1)
Changes in cost estimates related to preexisting warranties are aggregated with accruals for new standard warranties issued and foreign currency changes.