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Pensions (Details) - Defined Benefit Plan Costs and Key Assumptions - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Minimum
Weighted Average Assumptions Used to Determine Benefit Obligations
Discount rate	0.39%	(0.09%)
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost
Discount rate	0.39%	(0.09%)
Expected long-term return on plan assets	0.39%	(0.09%)
Maximum
Weighted Average Assumptions Used to Determine Benefit Obligations
Discount rate	0.43%	(0.14%)
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost
Discount rate	0.43%	(0.14%)
Expected long-term return on plan assets	0.43%	(0.14%)
Defined Benefit Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Interest cost	$ (0.2)	$ 0.9
Expected return on plan assets	0.2	(0.9)
Net benefit cost	$ 0.0	$ 0.0

X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

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- Definition

Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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