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Segment Information - Segment Financial Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 2,893.2 | $ 2,949.8 | $ 2,886.9
Cost of goods and services sold | 1,894.7 | 1,820.6 | 1,750.7
Research and development | 69.1 | 68.4 | 58.5
Selling, general and administrative expenses | 338.5 | 353.4 | 316.9
Operating profit | 569.9 | 676.0 | 734.0
Stock-based compensation expense | (18.7) | (23.3) | (23.7)
Amortization of intangible assets | 3.6 | 3.6 | 3.7
Loss on disposal of plant | 0.0 | (11.6) | 0.0
Interest (income) expense and other nonoperating expense (income), net | (15.6) | (22.0) | 54.1
Income before income taxes and equity in net income of affiliated companies | 585.5 | 698.0 | 679.9
Asset-related charges | 0.0 | 0.0 | 15.3
Assets | 3,643.4 | 3,829.5 |
Depreciation and Amortization | 155.4 | 137.3 | 120.6
Capital Expenditures | 377.0 | 362.0 | 284.6
Severance related costs | (2.5) | (2.8) | 8.7
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 2,893.2 | 2,949.8 | 2,887.2
Cost of goods and services sold |  |  |
Research and development |  |  |
Selling, general and administrative expenses |  |  |
Other expense (income) |  |  |
Operating profit | 650.1 | 782.2 | 844.8
Corporate and Unallocated |  |  |
Segment Reporting Information [Line Items] |  |  |
Stock-based compensation expense | (18.7) | (23.3) | (23.7)
Corporate general costs | (58.6) | (68.3) | (59.1)
Restructuring and related charges, net | 2.1 | (2.0) | 23.8
Amortization of intangible assets | 0.8 | 0.7 | 0.7
Cost investment activity | 0.0 | (4.3) | (3.5)
Loss on disposal of plant | 0.0 | (11.6) | 0.0
Asset-related charges |  |  | 15.3
Assets | 410.1 | 672.9 |
Depreciation and Amortization | 3.8 | 4.0 | 4.7
Capital Expenditures | 9.5 | 12.7 | 13.3
Severance related costs |  |  | 8.7
Corporate and Unallocated | Selling, General and Administrative Expenses |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and related charges, net | $ 4.6 |  |
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Selling, general and administrative expenses |  |
Corporate and Unallocated | Other expense (income) |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and related charges, net | $ (2.5) | $ (2.8) |
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other expense (income) | Other expense (income) |
Corporate and Unallocated | Cost of goods and services sold |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and related charges, net |  | $ 0.8 |
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Cost of goods and services sold |
Proprietary Products | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 2,334.5 | $ 2,397.3 | 2,406.8
Cost of goods and services sold | 1,434.0 | 1,363.3 | 1,353.5
Research and development | 69.1 | 68.4 | 58.5
Selling, general and administrative expenses | 231.5 | 240.6 | 212.6
Other expense (income) | 22.1 | 14.9 | (2.2)
Operating profit | 577.8 | 710.1 | 784.4
Assets | 2,621.1 | 2,629.1 |
Depreciation and Amortization | 130.3 | 112.9 | 96.9
Capital Expenditures | 246.5 | 259.1 | 237.3
Contract-Manufactured Products | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 558.7 | 552.5 | 480.4
Cost of goods and services sold | 460.7 | 456.5 | 397.5
Research and development | 0.0 | 0.0 | 0.0
Selling, general and administrative expenses | 26.2 | 24.4 | 20.9
Other expense (income) | (0.5) | (0.5) | 1.6
Operating profit | 72.3 | 72.1 | 60.4
Assets | 612.2 | 527.5 |
Depreciation and Amortization | 21.3 | 20.4 | 19.0
Capital Expenditures | $ 121.0 | $ 90.2 | $ 34.0

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