Quarterly report pursuant to Section 13 or 15(d)

Product Warranty

Product Warranty
3 Months Ended
Mar. 31, 2020
Product Warranties Disclosures [Abstract]  
Product Warranty
Some of the Company's products carry life-time or limited warranty provisions for defects in quality and workmanship. A warranty reserve is established at the time of sale to cover estimated costs based on the Company's history of warranty repairs and replacements and is recorded in Cost of sales in the Condensed Consolidated Statements of Operations. The warranty reserve is included in Accrued liabilities in the Condensed Consolidated Balance Sheets.
A reconciliation of product warranties is as follows:
  Three Months Ended March 31,
(in thousands) 2020 2019
Balance at beginning of period $ 14,466    $ 13,186   
Provision for warranty claims 312    1,791   
Warranty claims (1,368)   (1,723)  
Other (288)   (76)  
Balance at end of period $ 13,122    $ 13,178