Pension and Other Benefits - Narrative (Details) - Pension Benefits $ in Millions	3 Months Ended
Mar. 31, 2024 USD ($)
United States
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 0.0
United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 0.0

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration