Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contracts with Customers [Abstract]

Disaggregation of Revenue by Product Line

The following table disaggregates our revenue by major source (product line) for the years ended December 31, 2023, 2022 and 2021:

	Year Ended December 31,
(millions of dollars)	2023		2022		2021
Net Sales
Household & Personal Care	$	517.6	$	476.2	$	383.7
Specialty Additives		642.6		648.4		578.9
Consumer & Specialties Segment		1,160.2		1,124.6		962.6
High-Temperature Technologies		720.9		702.5		642.7
Environmental & Infrastructure		288.8		298.4		253.0
Engineered Solutions		1,009.7		1,000.9		895.7
Total	$	2,169.9	$	2,125.5	$	1,858.3