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| Consolidated Condensed Statements of Operations Presentation | | Six Months Ended June 30, | | Three Months Ended June 30, |
| | 2026 | | 2025 | | 2026 | | 2025 |
| 2024 Plan restructuring costs: | | | | | | | | |
| Termination benefits, relocation, and other restructuring costs | Other expense (income), net | | $ | .3 | | | $ | 4.4 | | | $ | .1 | | | $ | 2.1 | |
| 2024 Plan restructuring-related costs: | | | | | | | | |
| Inventory obsolescence and other | Cost of goods sold | | .5 | | | .5 | | | .5 | | | — | |
| Professional services and other | Selling and administrative expenses | | — | | | 1.1 | | | — | | | .1 | |
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| Net loss on disposal of assets and businesses | Net gain on disposal of assets and businesses | | — | | | 1.6 | | | — | | | .2 | |
| Total 2024 Plan restructuring-related costs | | .5 | | | 3.2 | | | .5 | | | .3 | |
| Total 2024 Plan net restructuring and restructuring-related costs | | $ | .8 | | | $ | 7.6 | | | $ | .6 | | | $ | 2.4 | |
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| 2026 Plan restructuring costs: | | | | | | | | |
| Termination benefits, relocation, and other restructuring costs | Other expense (income), net | | $ | 7.2 | | | $ | — | | | $ | 6.5 | | | $ | — | |
| 2026 Plan restructuring-related costs: | | | | | | | | |
| Inventory obsolescence and other | Cost of goods sold | | 4.1 | | | — | | | 2.9 | | | — | |
| Professional services and other | Selling and administrative expenses | | .1 | | | — | | | .1 | | | — | |
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| Total 2026 Plan restructuring-related costs | | 4.2 | | | — | | | 3.0 | | | — | |
| Total 2026 Plan net restructuring and restructuring-related costs | | $ | 11.4 | | | $ | — | | | $ | 9.5 | | | $ | — | |
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| Other restructuring costs: | | | | | | | | |
| Termination benefits, relocation, and other restructuring costs | Other expense (income), net | | $ | — | | | $ | 1.5 | | | $ | — | | | $ | .7 | |
| Other restructuring-related costs: | | | | | | | | |
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| Professional services and other | Selling and administrative expenses | | — | | | .6 | | | — | | | — | |
| Net (gain) loss on disposal of assets and businesses | Net gain on disposal of assets and businesses | | — | | | (.9) | | | — | | | (.9) | |
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| Total other restructuring-related costs (gains) | | — | | | (.3) | | | — | | | (.9) | |
| Total other net restructuring and restructuring-related costs (gains) | | $ | — | | | $ | 1.2 | | | $ | — | | | $ | (.2) | |
| Total net restructuring and restructuring-related costs | | $ | 12.2 | | | $ | 8.8 | | | $ | 10.1 | | | $ | 2.2 | |
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