Pension and Other Post Retirement Plans (Details 3) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
UNITED STATES | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	$ 0.1
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	0.1
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	0.1
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	0.1
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	0.1
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	0.4
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.0	$ (0.0)	$ (73.5)
UNITED STATES | Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	6.1
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	5.9
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	5.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	4.9
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	3.9
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	7.7
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(1.4)	$ 0.8	$ 0.8
Belfast | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	55.9
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	61.2
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	65.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	72.2
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	77.3
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	443.7
Belfast | Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	0.0
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	0.0
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	0.0
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	0.0
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	0.0
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 0.1
Belfast | Defined Benefit Plan, Real Assets
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	41.00%	39.00%
Belfast | Other Debt Obligations
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	56.00%	53.00%
Belfast | Money Market Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	3.00%	8.00%
UNITED KINGDOM
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	100.00%	100.00%
UNITED KINGDOM | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	$ 1.0
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	1.2
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	1.5
Defined Benefit Plan, Expected Future Benefit Payment, Year Four	1.6
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	1.7
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 9.7
UNITED KINGDOM | Defined Benefit Plan, Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	18.00%	15.00%
UNITED KINGDOM | Defined Benefit Plan, Debt Security
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	82.00%	80.00%
UNITED KINGDOM | Employee Benefit Plan, Real Estate
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage	0.00%	5.00%