Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Segment Reporting

The following table analyzes sales and other financial information by the Company’s reportable segments:


		Three Months Ended June 30,								Six Months Ended June 30,
(in millions)		2025				2024				2025				2024
Net Sales:
Personal Care		$	105.0			$	97.7			$	205.5			$	192.5
Home Care			26.1				24.3				52.4				50.7
Other			42.7				38.1				84.3				77.7
Performance Chemicals			173.8				160.1				342.2				320.9
Refinery and Performance			112.8				109.1				242.2				254.2
Other			52.3				57.5				93.2				89.3
Fuel Specialties			165.1				166.6				335.4				343.5
Oilfield Services			100.8				108.3				202.9				270.8
		$	439.7			$	435.0			$	880.5			$	935.2
Gross profit:
Performance Chemicals		$	30.5			$	36.2			$	65.8			$	73.9
Fuel Specialties			62.9				57.6				123.7				118.2
Oilfield Services			29.8				33.1				58.8				90.5
Total gross profit		$	123.2			$	126.9			$	248.3			$	282.6
Operating income/(loss):
Performance Chemicals		$	14.3			$	21.2			$	34.1			$	42.3
Fuel Specialties			35.4				30.4				72.3				63.8
Oilfield Services			6.2				7.3				10.3				24.2
Corporate costs			(20.9	)			(17.6	)			(38.6	)			(37.8	)
Adjustment to fair value of contingent consideration			(0.8	)			(0.6	)			(1.5	)			(1.4	)
Profit on disposal of property, plant and equipment			0.1				—				0.2				0.1
Total operating income		$	34.3			$	40.7			$	76.8			$	91.2

Summary of Segment Reporting related to Cost of Goods Sold

The following table analyzes cost of goods sold by the Company’s reportable segments:


		Three Months Ended June 30,								Six Months Ended June 30,
(in millions)		2025				2024				2025				2024
Performance Chemicals		$	143.3			$	123.9			$	276.4			$	247.0
Fuel Specialties			102.2				109.0				211.7				225.3
Oilfield Services			71.0				75.2				144.1				180.3
Total cost of goods sold		$	316.5			$	308.1			$	632.2			$	652.6

Summary of Segment Reporting related to Selling, General and Administrative Expense and Research and Development Expense

The following table analyzes selling, general and administrative expenses and research and development expenses by the Company’s reportable segments:


		Three Months Ended June 30,								Six Months Ended June 30,
(in millions)		2025				2024				2025				2024
Performance Chemicals		$	16.2			$	15.0			$	31.7			$	31.6
Fuel Specialties			27.5				27.2				51.4				54.4
Oilfield Services			23.6				25.8				48.5				66.3
Corporate			20.9				17.6				38.6				37.8
Total selling, general and administrative expenses and research and development expenses		$	88.2			$	85.6			$	170.2			$	190.1