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v3.23.3

Segment Reporting - Reconciliation of Segment Information to Income Before Provision for Income Taxes (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | $ 19,517 | $ 54,659 | $ 58,383 | $ 195,645
Business restructuring |  | (5,628) | (92) | (5,827) | (225)
Other Income (Expense) |  |  |  |  |
Interest, net |  | (2,987) | (2,221) | (9,674) | (7,254)
Other, net |  | (690) | (1,980) | 3,348 | (8,999)
Income before provision for income taxes |  | 15,840 | 50,458 | 52,057 | 179,392
Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 39,588 | 80,525 | 114,411 | 244,145
Operating Segments [Member] | Surfactants [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 15,373 | 38,976 | 57,570 | 140,994
Operating Segments [Member] | Polymers [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 21,813 | 31,864 | 48,137 | 79,905
Operating Segments [Member] | Specialty Products [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 2,402 | 9,685 | 8,704 | 23,246
Segment Reconciling Items [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Unallocated corporate expenses | [1] | $ (14,443) | $ (25,774) | $ (50,201) | $ (48,275)
[1] | Unallocated corporate expenses are primarily comprised of corporate administrative expenses (e.g., corporate finance, legal, human resources, information systems, deferred compensation and environmental remediation) that are not included in segment operating income and are not used to evaluate segment performance.

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