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Warranty Reserves (Tables)
 3 Months Ended
Apr. 05, 2020
Product Warranties Disclosures [Abstract]  
Warranty Reserve Activity
A summary of warranty reserve activity is as follows:
 
Three Months Ended
 
April 5,
2020
 
March 31,
2019
 
(In thousands)
Balance at beginning of period
$
8,812

 
$
8,393

Provision charged to income
2,712

 
2,768

Payments
(3,266
)
 
(3,254
)
Adjustments to previously provided warranties, net
1,052

 
270

Foreign currency translation and acquisitions
(269
)
 
(18
)
Balance at end of period
$
9,041

 
$
8,159