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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 27, 2025 | Jun. 28, 2024 | Jun. 27, 2025 | Jun. 28, 2024 | Feb. 28, 2025 | Dec. 31, 2024 | Jan. 05, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Derivative instruments net gain (loss) to be reclassified to net income during next twelve months |  |  | $ 6.2 |  |  |  |
Proceeds from equity method investment, distribution |  |  | $ 0.1 |  |  |  |
Chinese Venture Capital Fund |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Equity method investment ownership | 7.60% |  | 7.60% |  |  |  |
2028 Convertible Senior Notes | Significant Other Observable Inputs (Level 2) | Convertible Debt |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair value | $ 176.0 |  | $ 176.0 |  |  | $ 800.0 |
2030 Convertible Notes | Significant Other Observable Inputs (Level 2) | Convertible Debt |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Fair value | 1,036.0 |  | 1,036.0 |  |  |  |
Precision and VSi |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Contingent consideration liability, current | 1.8 |  | 1.8 |  |  |  |
Contingent consideration liability, noncurrent | 1.3 |  | 1.3 |  |  |  |
Benefit to adjust the fair value of acquisition related contingent consideration | 0.3 |  | (0.3) |  |  |  |
Pulse Technologies, Inc. |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Contingent consideration liability | 1.4 |  | 1.4 |  |  |  | $ 3.6
VSi |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
Contingent consideration liability | 1.1 |  | 1.1 |  | $ 1.1 |  |
Foreign exchange contracts | Not Designated as Hedging Instrument |  |  |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |  |  |
National amount | 68.8 |  | 68.8 |  |  | $ 33.0 |
Contingent consideration liability loss | $ 2.6 | $ 0.3 | $ 2.2 | $ 1.2 |  |  |

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