Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Components of deferred tax assets and liabilities. [Line Items]
Deferred tax assets, net of valuation allowance	$ 209.5
Deferred tax liabilities	10.3
Valuation allowance	18.8
Reserves for uncertain tax positions	181.2		$ 202.3
Uncertain tax positions, related tax benefits	0.1		$ 0.1
Other tax expense	10.1
Tax expenses (benefits) related to various recurring items	1.4
Foreign Tax Authority
Components of deferred tax assets and liabilities. [Line Items]
Release of uncertain tax position	3.2
Foreign Tax Authority | Guyana, Nigeria, Switzerland And Luxembourg
Components of deferred tax assets and liabilities. [Line Items]
Deferred foreign tax benefits	$ 18.5
Foreign Tax Authority | GUYANA
Components of deferred tax assets and liabilities. [Line Items]
Deferred foreign tax benefits		$ 44.0
Foreign Tax Authority | SWITZERLAND
Components of deferred tax assets and liabilities. [Line Items]
Deferred foreign tax benefits		6.1
Foreign Tax Authority | LUXEMBOURG
Components of deferred tax assets and liabilities. [Line Items]
Deferred foreign tax benefits		$ 4.5