v3.26.3
Equity - Reclassification of AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Net sales $ 305.1     $ 333.1     $ 877.2 $ 912.5
Cost of sales (172.3)     (199.2)     (489.0) (538.9)
Total before tax 68.9     62.2     149.8 (36.8)
(Provision) benefit for income taxes (17.8)     (21.4)     (35.5) (34.7)
Amount included in net income (loss) 49.3 $ 35.3 $ 59.8 43.5 $ (146.5) $ 20.5 144.4 [1] (82.5) [1]
Derivative instruments | Reclassifications of accumulated other comprehensive income (loss)                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Total before tax (0.3)     0.2     (0.4) (0.1)
(Provision) benefit for income taxes 0.1     (0.1)     0.1 0.0
Amount included in net income (loss) (0.2)     0.1     (0.3) (0.1)
Currency exchange contracts | Derivative instruments | Reclassifications of accumulated other comprehensive income (loss)                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Net sales 0.0     (0.1)     0.0 (0.3)
Natural gas contracts | Derivative instruments | Reclassifications of accumulated other comprehensive income (loss)                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Cost of sales $ (0.3)     $ 0.3     $ (0.4) $ 0.2
[1] The cash flows related to discontinued operations have not been segregated and remain included in the major classes of assets and liabilities. Accordingly, the condensed consolidated statements of cash flows include the results of continuing and discontinued operations.