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Revenues - Disaggregation of Revenue by Product Line (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 392.6	$ 382.8
Performance Materials segment
Disaggregation of Revenue [Line Items]
Net sales	141.4	148.4
Performance Chemicals segment
Disaggregation of Revenue [Line Items]
Net sales	185.6	172.6
Performance Chemicals segment | Pavement Technologies product line
Disaggregation of Revenue [Line Items]
Net sales	45.8	27.9
Performance Chemicals segment | Industrial Specialties product line
Disaggregation of Revenue [Line Items]
Net sales	139.8	144.7
Advanced Polymer Technologies segment
Disaggregation of Revenue [Line Items]
Net sales	$ 65.6	$ 61.8

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