Retirement Benefit Plans - Schedule of Change in Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Company contributions / payments	$ 24.6	$ 27.1	$ 11.2
Pension Plan
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	396.0
Company contributions / payments	24.6	27.1
Fair value of plan assets at end of year	370.9	396.0
U.S. Plans \| Pension Plan
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	199.2	201.6
Actual return on plan assets	(3.7)	10.1
Company contributions / payments	20.5	19.1
International plan exchange rate change	0.0	0.0
Benefits paid	(21.0)	(31.6)
Fair value of plan assets at end of year	195.0	199.2	201.6
Funded status at end of year	(122.4)	(134.0)
International Plans \| Pension Plan
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	196.8	185.5
Actual return on plan assets	(5.9)	8.8
Company contributions / payments	4.1	8.0
International plan exchange rate change	(4.1)	9.2
Benefits paid	(15.0)	(14.7)
Fair value of plan assets at end of year	175.9	196.8	$ 185.5
Funded status at end of year	$ (42.3)	$ (45.5)

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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- Definition

Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

+ References

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- Definition

Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

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