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v3.23.2

Segment Reporting - Segment Reporting (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 480.4 | $ 467.6 | $ 990.0 | $ 940.0
Operating income/(loss) | 34.2 | 46.3 | 75.2 | 90.6
Operating Segments [Member] | Performance Chemicals [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 127.8 | 169.0 | 279.2 | 336.1
Operating income/(loss) | 9.2 | 28.8 | 19.6 | 54.1
Operating Segments [Member] | Fuel Specialties [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 154.2 | 176.4 | 344.5 | 368.2
Operating income/(loss) | 17.1 | 31.5 | 49.5 | 67.0
Operating Segments [Member] | Oilfield Services [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 198.4 | 122.2 | 366.3 | 235.7
Operating income/(loss) | 28.0 | 4.5 | 43.9 | 7.0
Operating Segments [Member] | Personal Care [Member] | Performance Chemicals [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 78.6 | 105.3 | 166.8 | 208.7
Operating Segments [Member] | Home Care [Member] | Performance Chemicals [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 19.7 | 25.3 | 43.4 | 49.7
Operating Segments [Member] | Other [Member] | Performance Chemicals [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 29.5 | 38.4 | 69.0 | 77.7
Operating Segments [Member] | Refinery and Performance [Member] | Fuel Specialties [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 119.1 | 123.9 | 268.6 | 272.3
Operating Segments [Member] | Other [Member] | Fuel Specialties [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 35.1 | 52.5 | 75.9 | 95.9
Corporate, Non-Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Corporate costs | $ (20.1) | $ (18.5) | $ (37.8) | $ (37.5)

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