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Goodwill - Summary of Goodwill (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Line Items]    
Gross cost, beginning balance $ 364.3 $ 371.2
Accumulated impairment losses, beginning balance 0.0 0.0
Net book amount, beginning balance 364.3 371.2
Exchange effect (5.5) (6.9)
Gross cost, ending balance 358.8 364.3
Accumulated impairment losses, ending balance 0.0 0.0
Net book amount, ending balance 358.8 364.3
Performance Chemicals [Member]    
Goodwill [Line Items]    
Gross cost, beginning balance 111.9 118.5
Accumulated impairment losses, beginning balance 0.0 0.0
Net book amount, beginning balance 111.9 118.5
Exchange effect (5.4) (6.6)
Gross cost, ending balance 106.5 111.9
Accumulated impairment losses, ending balance 0.0 0.0
Net book amount, ending balance 106.5 111.9
Fuel Specialties [Member]    
Goodwill [Line Items]    
Gross cost, beginning balance 207.6 207.9
Accumulated impairment losses, beginning balance 0.0 0.0
Net book amount, beginning balance 207.6 207.9
Exchange effect (0.1) (0.3)
Gross cost, ending balance 207.5 207.6
Accumulated impairment losses, ending balance 0.0 0.0
Net book amount, ending balance 207.5 207.6
Oilfield Services [Member]    
Goodwill [Line Items]    
Gross cost, beginning balance 44.8 44.8
Accumulated impairment losses, beginning balance 0.0 0.0
Net book amount, beginning balance 44.8 44.8
Exchange effect 0.0 0.0
Gross cost, ending balance 44.8 44.8
Accumulated impairment losses, ending balance 0.0 0.0
Net book amount, ending balance $ 44.8 $ 44.8