Warranties

6 Months Ended

Jun. 30, 2022

Guarantees [Abstract]

Warranties

Warranties

The Company has product warranties with various terms ranging from one year from the date of first use or 18 months for parts, data center cooling solutions, and cleanroom systems to 25 years for certain heat exchangers. The Company has an obligation to replace parts if conditions under the warranty are met. A provision is made for estimated warranty costs at the time the related products are sold based upon the warranty period, historical trends, new products, and any known identifiable warranty issues.  

Changes in the warranty accrual are as follows:

	Three Months Ended				Six Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
Warranty accrual:	(in thousands)
Balance, beginning of period	$	13,707	$	13,525	$	13,769	$	13,522
Payments made	(1,679)		(1,545)		(2,898)		(3,009)
Provisions	2,353		2,028		3,510		3,495
Balance, end of period	$	14,381	$	14,008	$	14,381	$	14,008
Warranty expense:	$	2,353	$	2,028	$	3,510	$	3,495