Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Revenue From Contract With Customer [Abstract]

Net Sales

Net sales by geographic area and product line for the years ended December 31, 2021, and 2020, are outlined below. Net sales are attributed to the geographic areas based on the location of the customer. Sales to individual foreign countries were less than 10% of consolidated net sales for each of the years.

	Net Sales by Geographic Area
	2021		2020
United States	$	178,090	$	159,908
Foreign		166,830		168,636
Consolidated total	$	344,920	$	328,544

	Net Sales by Product Line
	2021		2020
Forged and cast mill rolls	$	234,926	$	228,219
Forged engineered products		25,278		9,670
Heat exchange coils		24,372		25,249
Centrifugal pumps		33,867		36,911
Air handling systems		26,477		28,495
Consolidated total	$	344,920	$	328,544