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Accumulated Other Comprehensive Income (Loss) (Details 2) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2024 | Oct. 01, 2023 | Sep. 29, 2024 | Oct. 01, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Amortization to net income of net prior service credits | $ (0.1) | $ (0.1) | $ (0.4) | $ (0.4)
Amount reclassified from AOCI, Postretirement benefit plans, Actuarial losses | 1.3 | 1.5 | 3.9 | 4.5
Income before income taxes | 114.9 | 99.0 | 311.1 | 287.1
Income tax provision | 28.3 | 4.9 | 70.5 | 12.9
Sales | 1,051.2 | 1,025.6 | 3,189.4 | 3,109.7
Cost of sales | 826.4 | 831.0 | 2,539.8 | 2,512.8
Reclassification out of Accumulated Other Comprehensive Income [Member] | Post- retirement benefit plans [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Amortization to net income of net prior service credits | 0.1 | 0.1 | 0.4 | 0.4
Amount reclassified from AOCI, Postretirement benefit plans, Actuarial losses | (1.3) | (1.5) | (3.9) | (4.5)
Income before income taxes | (1.2) | (1.4) | (3.5) | (4.1)
Income tax provision | (0.3) | (0.4) | (0.8) | (1.0)
Net income (loss) | (0.9) | (1.0) | (2.7) | (3.1)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income before income taxes | (3.7) | (1.8) | (8.0) | (0.1)
Income tax provision | (0.9) | (0.4) | (1.9) | 0.0
Net income (loss) | (2.8) | (1.4) | (6.1) | (0.1)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Nickel and other raw material contracts |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Sales | (1.9) | (0.5) | (3.3) | 4.6
Cost of sales | (1.9) | (0.5) | (3.3) | 4.6
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Natural gas contracts |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Cost of sales | (1.8) | (1.8) | (6.5) | (6.0)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Foreign Exchange |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Cost of sales | 0.0 | 0.2 | 0.2 | 0.3
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Interest Rate Swap |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest Expense | $ 0.0 | $ 0.3 | $ 1.6 | $ 1.0

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