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Warranty Reserves (Tables)
9 Months Ended
Oct. 01, 2017
Product Warranties Disclosures [Abstract]  
Warranty Reserve Activity
A summary of warranty reserve activity for the three and nine months ended October 1, 2017 and October 2, 2016 is as follows:
 
Three Months Ended
 
Nine Months Ended
 
October 1,
2017
 
October 2,
2016
 
October 1,
2017
 
October 2,
2016
 
(In thousands)
Balance at beginning of period
$
9,088

 
$
9,596

 
$
9,012

 
$
9,843

Provision charged to income
3,326

 
3,585

 
9,706

 
11,037

Payments
(3,488
)
 
(3,677
)
 
(10,625
)
 
(11,291
)
Adjustments to previously provided warranties, net
(730
)
 
(459
)
 
(215
)
 
(708
)
Foreign currency translation and acquisitions
117

 
27

 
435

 
191

Balance at end of period
$
8,313

 
$
9,072

 
$
8,313

 
$
9,072