Income Taxes - Schedule of Income before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]
Domestic - U.K.	$ 4.1	$ 10.7	$ 10.4
Income / (loss) before income taxes	22.2	26.5	(9.7)
United States
Effective Income Tax Rate Reconciliation [Line Items]
Income (loss) from continuing operations before income taxes, foreign	15.8	11.4	(23.5)
Foreign - Other
Effective Income Tax Rate Reconciliation [Line Items]
Income (loss) from continuing operations before income taxes, foreign	$ 2.3	$ 4.4	$ 3.4

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-10A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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Balance Type:	credit
Period Type:	duration