Employee Benefit Plans - Amounts recognized in accumulated other comprehensive income (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Employee Benefit Plans
Net actuarial gain recognized	$ (6.9)	$ (0.9)
Settlement gain	7.8
Change in period	$ 0.9	$ (0.9)

Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Name:	us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant