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Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions | Sep. 29, 2024 | Dec. 31, 2023
--- | --- | ---
Goodwill [Line Items] |  |
Gross value | $ 822.2 | $ 822.4
Less accumulated impairment | 253.3 | 253.3
Net | 568.9 | 569.1
KGS |  |
Goodwill [Line Items] |  |
Gross value | 683.6 | 683.6
Less accumulated impairment | 239.5 | 239.5
Net | 444.1 | 444.1
US |  |
Goodwill [Line Items] |  |
Gross value | 138.6 | 138.8
Less accumulated impairment | 13.8 | 13.8
Net | $ 124.8 | $ 125.0

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