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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Product Warranty Liability The following table summarizes the warranty activity for 2020, 2019 and 2018:
(In thousands)202020192018
Warranty reserves, beginning of the year$5,920 $5,243 $5,486 
Accruals for warranties issued during the year5,335 4,744 3,837 
Reductions related to pre-existing warranties(2,418)(2,748)(3,320)
Acquisitions (See Note 3) — 249 
Warranties paid(2,356)(1,259)(942)
Other (principally foreign currency translation)131 (60)(67)
Warranty reserves, end of the year$6,612 $5,920 $5,243