Income Taxes- Schedule of Reconciliation Income Tax Expense (benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amounts
US federal statutory income tax rate	$ 98.4	$ 135.0	$ (76.4)
- Foreign tax credits	(5.1)
- Other tax credits	(6.2)
Nontaxable and nondeductible items	5.5
- No permanent establishment	(24.8)
- Other	4.1
- Amended returns	13.9	3.6	(5.6)
- Other	(2.9)
Changes in tax laws/rates	0.0	6.3	0.8
Changes in valuation allowances	3.4	218.7	302.8
Domestic State & Local income taxes, net of federal effect	6.2	(1.1)	5.7
Foreign tax effects		(173.0)	(59.0)
Worldwide changes in unrecognized tax benefits	21.4
Total income tax expense	$ 98.8	$ 128.2	$ 84.9
Rate
US federal statutory income tax rate	21.00%
- Foreign tax credits	(1.10%)
- Other tax credits	(1.30%)
Nontaxable and nondeductible items	1.20%
- No permanent establishment	(5.30%)
- Other	0.90%
- Amended returns	3.00%
- Other	(0.60%)
Changes in tax laws/rates	0.00%
Changes in valuation allowances	0.70%
Domestic State & Local income taxes, net of federal effect	1.30%
Worldwide changes in unrecognized tax benefits	4.60%
Total	21.10%
Belgium
Amounts
- Other	$ 5.5
Changes in valuation allowances	(8.4)
- Notional interest deduction	$ (38.6)
Rate
- Other	1.20%
Changes in valuation allowances	(1.80%)
- Notional interest deduction	(8.20%)
Brazil
Amounts
- Other	$ 7.2
- Notional interest deduction	$ (9.3)
Rate
- Other	1.50%
- Notional interest deduction	(2.00%)
China
Amounts
Foreign tax effects	$ 5.0
Rate
Foreign tax effects	1.10%
Luxembourg
Amounts
- Other	$ 3.2
Changes in valuation allowances	22.1
- Currency translation adjustments	$ (11.8)
Rate
- Other	0.70%
Changes in valuation allowances	4.70%
- Currency translation adjustments	(2.50%)
Malta
Amounts
- Other	$ 2.1
Changes in valuation allowances	122.5
- Notional interest deduction	(175.3)
- General tax credits	(7.1)
- Nondeductible interest	$ 59.8
Rate
- Other	0.40%
Changes in valuation allowances	26.10%
- Notional interest deduction	(37.40%)
- General tax credits	(1.50%)
- Nondeductible interest	12.80%
Russia
Amounts
Foreign tax effects	$ 5.6
Rate
Foreign tax effects	1.20%
Spain
Amounts
Foreign tax effects	$ 5.8
Rate
Foreign tax effects	1.20%
Switzerland
Amounts
- Other	$ (1.8)
Changes in valuation allowances	$ (9.6)
Rate
- Other	(0.40%)
Changes in valuation allowances	(2.00%)
Other foreign jurisdictions
Amounts
Foreign tax effects	$ 8.0
Rate
Foreign tax effects	1.60%