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Warranty Reserves
 6 Months Ended
Jul. 05, 2020
Product Warranties Disclosures [Abstract]  
Warranty Reserves Warranty Reserves
The Company provides warranty protection for certain products usually for a period of one year beyond the date of sale. The majority of costs associated with warranty obligations include the replacement of parts and the time for service personnel to respond to repair and replacement requests. A warranty reserve is recorded based upon historical results, supplemented by management’s expectations of future costs. Warranty reserves are included in “Accrued expenses and other current liabilities” on the condensed consolidated balance sheets.
A summary of warranty reserve activity is as follows:
 Three Months EndedSix Months Ended
 July 5,
2020		June 30,
2019		July 5,
2020		June 30,
2019
 (In thousands)
Balance at beginning of period$9,041  $8,159  $8,812  $8,393  
Provision charged to income3,473  2,934  6,185  5,702  
Payments(2,889) (3,283) (6,155) (6,537) 
Adjustments to previously provided warranties, net655  149  1,707  419  
Foreign currency translation and acquisitions190  26  (79) 8  
Balance at end of period$10,470  $7,985  $10,470  $7,985