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v3.25.3

Derivative Financial Instruments and Hedging (Details) € in Millions, lb in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 28, 2025 USD ($) | Sep. 29, 2024 USD ($) | Sep. 28, 2025 USD ($) lb | Sep. 29, 2024 USD ($) | Sep. 28, 2025 EUR (€)
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Percentage of estimated annual nickel requirements |  |  | 2.00% |  |
Percentage Of Forecasted Natural Gas Usage Hedged for 2025 |  |  | 60.00% |  |
Percentage Of Forecasted Natural Gas Usage Hedged for 2026 |  |  | 35.00% |  |
Reclassification of Cash Flow Hedge Gain (Loss) [Abstract] |  |  |  |  |
Cash Flow Hedge Gain (Loss) To Be Reclassified Within Twelve Months |  |  | $ (1.1) |  |
Cash Flow Hedging | Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Net derivative gain (loss) on hedge transactions | $ (2.5) | $ (1.5) | $ (1.0) | $ (3.3) |
Nickel |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Notional amount of nickel hedge (in pounds of nickel) | lb |  |  | 1 |  |
Interest Rate Swap | Cash Flow Hedging | Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Net derivative gain (loss) on hedge transactions | 0.0 | 0.0 | $ 0.0 | 0.0 |
Nickel and other raw material contracts | Cash Flow Hedging | Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Net derivative gain (loss) on hedge transactions | 0.0 | (0.2) | (0.7) | (1.3) |
Natural gas contracts | Cash Flow Hedging | Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Net derivative gain (loss) on hedge transactions | (2.6) | (1.1) | (0.2) | (2.1) |
Foreign exchange contracts | Cash Flow Hedging | Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Net derivative gain (loss) on hedge transactions | 0.1 | (0.2) | (0.1) | 0.1 |
Designated as Hedging Instrument | Foreign exchange forward | Cash Flow Hedging |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Notional amount of derivative | € |  |  |  |  | € 0
Not Designated as Hedging Instrument | Foreign exchange forward |  |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |  |
Derivative Instruments Gain Loss Recognized In Income Net | $ (0.6) | $ 1.0 | $ 2.3 | $ 0.5 |

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480870/815-30-50-1 + Details
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