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v3.24.1.1.u2

Segment Reporting - Segment Reporting (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |
Net sales | $ 500.2 | $ 509.6
Adjustment to fair value of contingent consideration | (0.8) | 0.0
Profit on disposal of property, plant and equipment | 0.1 | 0.0
Operating income/(loss) | 50.5 | 41.0
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Adjustment to fair value of contingent consideration | (0.8) | 0.0
Profit on disposal of property, plant and equipment | 0.1 | 0.0
Operating Segments [Member] | Performance Chemicals [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 160.8 | 151.4
Operating income/(loss) | 21.1 | 10.4
Operating Segments [Member] | Fuel Specialties [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 176.9 | 190.3
Operating income/(loss) | 33.4 | 32.4
Operating Segments [Member] | Oilfield Services [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 162.5 | 167.9
Operating income/(loss) | 16.9 | 15.9
Operating Segments [Member] | Personal Care [Member] | Performance Chemicals [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 94.8 | 88.2
Operating Segments [Member] | Home Care [Member] | Performance Chemicals [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 26.4 | 23.7
Operating Segments [Member] | Other [Member] | Performance Chemicals [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 39.6 | 39.5
Operating Segments [Member] | Refinery and Performance [Member] | Fuel Specialties [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 145.1 | 149.5
Operating Segments [Member] | Other [Member] | Fuel Specialties [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 31.8 | 40.8
Corporate, Non-Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Corporate costs | $ (20.2) | $ (17.7)

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