v3.26.1
Financial Information by Segment - Schedule of Segment Reconciliation (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Net sales from external customers $ 459.5 $ 477.7  
Cost of sales 380.3 379.6  
Selling, general and administrative expenses 59.1 58.4  
Other segment items 8.7 8.5  
Equity in earnings of affiliated companies, net of tax 0.1 0.5  
LTIP and other non-operating charges 1.9 3.0  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 32.7 31.5  
Adjusted EBITDA 46.1 66.2  
Assets 1,930.7 1,968.2 $ 1,907.6
Capital expenditures 36.1 29.2  
Operating segments | Rubber      
Segment Reporting Information [Line Items]      
Net sales from external customers 289.8 317.0  
Cost of sales 253.8 258.9  
Selling, general and administrative expenses 33.8 36.1  
Other segment items 3.8 4.6  
Equity in earnings of affiliated companies, net of tax 0.1 0.5  
LTIP and other non-operating charges 0.6 1.8  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 19.9 21.1  
Adjusted EBITDA 19.0 40.8  
Assets 1,004.6 1,105.4  
Capital expenditures 15.8 14.1  
Operating segments | Specialty      
Segment Reporting Information [Line Items]      
Net sales from external customers 169.7 160.7  
Cost of sales 126.5 120.7  
Selling, general and administrative expenses 24.9 22.0  
Other segment items 4.5 3.6  
Equity in earnings of affiliated companies, net of tax 0.0 0.0  
LTIP and other non-operating charges 0.5 0.6  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 12.8 10.4  
Adjusted EBITDA 27.1 25.4  
Assets 588.5 732.6  
Capital expenditures 20.3 15.1  
Corporate      
Segment Reporting Information [Line Items]      
Net sales from external customers 0.0 0.0  
Cost of sales 0.0 0.0  
Selling, general and administrative expenses 0.4 0.3  
Other segment items 0.4 0.3  
Equity in earnings of affiliated companies, net of tax 0.0 0.0  
LTIP and other non-operating charges 0.8 0.6  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 0.0 0.0  
Adjusted EBITDA 0.0 0.0  
Assets 337.6 130.2  
Capital expenditures $ 0.0 $ 0.0