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Segmental Information - Geographic information by region (Details) - USD ($) $ in Millions	Sep. 29, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 65.7	$ 63.8
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	27.1	26.8
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	34.4	32.8
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	2.9	2.9
Rest of Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	1.0	1.0
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 0.3	$ 0.3

X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-Publisher FASB
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 360
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147478451/942-360-50-1

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+ References

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