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Acquisition and disposal related costs (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jul. 02, 2023 | Jun. 30, 2024 | Jul. 02, 2023
Asset Acquisition [Line Items] |  |  |  |
Loss on held for sale asset group |  |  | $ 7.5 | $ 0.0
Disposal related costs | $ (9.2) | $ 0.0 | (9.4) | 0.0
Graphic Arts |  |  |  |
Asset Acquisition [Line Items] |  |  |  |
Loss on held for sale asset group | 7.5 | 0.0 | 7.5 | 0.0
Disposal related costs | 1.7 | 0.0 | 1.9 | 0.0
Disposal related costs | $ (9.2) | $ 0.0 | $ (9.4) | $ 0.0

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- Definition Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-3 + Details
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