Benefit Plans Benefit Plans - Accumulated Benefit Obligation In Excess of Plan Assets (Details) - Pension Benefits - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	$ 293.9	$ 319.2
Accumulated benefit obligation	282.3	297.5
Fair value of plan assets	88.7	90.5
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	584.4	610.4
Accumulated benefit obligation	584.4	610.4
Fair value of plan assets	$ 511.3	$ 474.0

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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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

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

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