v3.25.2
Financial Information by Segment - Schedule of Segment Reconciliation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Net sales from external customers $ 466.4 $ 477.0 $ 944.1 $ 979.9  
Cost of sales 368.0 367.2 747.6 747.9  
Selling, general and administrative expenses 57.7 60.3 116.1 121.8  
Other segment items 8.6 7.9 17.1 15.8  
Equity in earnings of affiliated companies, net of tax 0.6 0.2 1.1 0.3  
LTIP and other non-operating charges 4.1 3.0 7.1 6.5  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 32.0 30.3 63.5 59.2  
Adjusted EBITDA 68.8 75.1 135.0 160.4  
Assets 2,024.9 1,908.8 2,024.9 1,908.8 $ 1,857.3
Capital expenditures 42.2 54.7 71.4 87.8  
Operating segments | Rubber          
Segment Reporting Information [Line Items]          
Net sales from external customers 308.3 311.5 625.3 643.5  
Cost of sales 242.5 241.2 501.4 492.7  
Selling, general and administrative expenses 34.2 39.2 70.3 77.6  
Other segment items 3.3 3.8 7.9 7.5  
Equity in earnings of affiliated companies, net of tax 0.6 0.2 1.1 0.3  
LTIP and other non-operating charges 1.0 1.5 2.8 3.7  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 19.0 18.1 40.1 34.8  
Adjusted EBITDA 48.9 47.1 89.7 104.5  
Assets 1,130.3 1,064.9 1,130.3 1,064.9  
Capital expenditures 16.8 26.1 30.9 44.5  
Operating segments | Specialty          
Segment Reporting Information [Line Items]          
Net sales from external customers 158.1 165.5 318.8 336.4  
Cost of sales 125.5 126.0 246.2 255.2  
Selling, general and administrative expenses 23.2 20.9 45.2 43.8  
Other segment items 4.8 4.1 8.4 8.3  
Equity in earnings of affiliated companies, net of tax 0.0 0.0 0.0 0.0  
LTIP and other non-operating charges 2.3 1.3 2.9 2.4  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 13.0 12.2 23.4 24.4  
Adjusted EBITDA 19.9 28.0 45.3 55.9  
Assets 765.5 716.0 765.5 716.0  
Capital expenditures 25.4 28.6 40.5 43.3  
Corporate          
Segment Reporting Information [Line Items]          
Net sales from external customers 0.0 0.0 0.0 0.0  
Cost of sales 0.0 0.0 0.0 0.0  
Selling, general and administrative expenses 0.3 0.2 0.6 0.4  
Other segment items 0.5 0.0 0.8 0.0  
Equity in earnings of affiliated companies, net of tax 0.0 0.0 0.0 0.0  
LTIP and other non-operating charges 0.8 0.2 1.4 0.4  
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment 0.0 0.0 0.0 0.0  
Adjusted EBITDA 0.0 0.0 0.0 0.0  
Assets 129.1 127.9 129.1 127.9  
Capital expenditures $ 0.0 $ 0.0 $ 0.0 $ 0.0