Product Warranty

9 Months Ended

Sep. 30, 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 September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Balance at beginning of period	$	13,334	$	13,186	$	14,466	$	13,186
Provision for warranty claims	525		645		1,430		3,140
Warranty claims	(493)		(440)		(2,378)		(2,899)
Other	175		(180)		23		(216)
Balance at end of period	$	13,541	$	13,211	$	13,541	$	13,211