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Business Segments (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Apr. 02, 2023
Segment Reporting Information [Line Items] |  |
Sales | $ 1,042.9 | $ 1,038.1
Segment EBITDA | 169.4 | 165.3
Corporate expenses | (17.1) | (16.9)
Closed operations and other expense | (1.3) | (1.3)
Depreciation & amortization | (36.0) | (35.1)
Interest expense, net | (26.6) | (19.9)
Income (loss) from equity investments | (0.4) | (0.3)
Restructuring and other charges | (3.1) | (1.2)
Income before income taxes | 85.3 | 90.9
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Sales | 1,132.6 | 1,155.4
Depreciation & amortization | (36.0) | (35.1)
Operating Segments | High Performance Materials & Components |  |
Segment Reporting Information [Line Items] |  |
Sales | 571.9 | 529.6
Segment EBITDA | 97.6 | 81.6
Depreciation & amortization | (16.3) | (17.4)
Operating Segments | Advanced Alloys & Solutions |  |
Segment Reporting Information [Line Items] |  |
Sales | 560.7 | 625.8
Segment EBITDA | 71.8 | 83.7
Depreciation & amortization | (18.0) | (16.1)
Operating Segments | Corporate Segment |  |
Segment Reporting Information [Line Items] |  |
Depreciation & amortization | (1.7) | (1.6)
Internal Customers | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Sales | 89.7 | 117.3
Internal Customers | Operating Segments | High Performance Materials & Components |  |
Segment Reporting Information [Line Items] |  |
Sales | 42.0 | 58.5
Internal Customers | Operating Segments | Advanced Alloys & Solutions |  |
Segment Reporting Information [Line Items] |  |
Sales | 47.7 | 58.8
External Customers | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Sales | 1,042.9 | 1,038.1
External Customers | Operating Segments | High Performance Materials & Components |  |
Segment Reporting Information [Line Items] |  |
Sales | 529.9 | 471.1
External Customers | Operating Segments | Advanced Alloys & Solutions |  |
Segment Reporting Information [Line Items] |  |
Sales | $ 513.0 | $ 567.0

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