Pension and Postretirement Benefit Plans (Various Tables) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Fair value of plan assets, aggregate projected benefit obligation and accumulated benefit obligation
Fair value of plan assets	$ 30.7	$ 37.3
Projected benefit obligation	199.3	220.2
Accumulated benefit obligation	189.8	209.3
Pension plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gains) losses	256.7	280.2
Unrecognized net actuarial gain	(256.7)	(280.2)
Net prior service cost	$ 29.8	31.4
Pension plan \| ENPP
Defined Benefit Plan Disclosure [Line Items]
Average amortization period of losses related to defined benefit pension plans	6 years
Pension plan \| U.S.
Fair value of plan assets, aggregate projected benefit obligation and accumulated benefit obligation
Fair value of plan assets	$ 0.0	0.0
Projected benefit obligation	102.5	104.9
Accumulated benefit obligation	$ 102.5	104.1
Pension plan \| U.K
Defined Benefit Plan Disclosure [Line Items]
Average amortization period of losses related to defined benefit pension plans	16 years
Postretirement benefits
Defined Benefit Plan Disclosure [Line Items]
Net prior service cost	$ 4.5	3.0
Postretirement benefits \| U.S. and Brazil
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gains) losses	(3.3)	(0.2)
Unrecognized net actuarial gain	3.3	0.2
Postretirement benefits \| U.S.
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gains) losses	(1.3)	(1.2)
Unrecognized net actuarial gain	$ 1.3	$ 1.2

Defined Benefit Plan, Amortization Period

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- Definition

Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation

+ References

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- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
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-Topic 715
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- Definition

Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
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- Definition

Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

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Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

+ References

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