Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year, Deferral, American Rescue Plan Act

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- Definition

Defined Benefit Plan, Group Annuity Contract To Transfer Projected Benefit Obligations, Number Of Retirees

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- Definition

Defined Benefit Plan, Group Annuity Contract To Transfer Projected Benefit Obligations, Purchase Amount

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- Definition

Projected Benefit Obligation, Transferred to Multiemployer Plan

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- Definition

Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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- Definition

Amount of contribution received by multiemployer pension plan from all employers participating in multiemployer pension plan determined to be individually significant.

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Amount of cash outflow for other postretirement benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes pension benefit.

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Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

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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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Pension and Postretirement Benefits - Additional Information (Details) $ in Millions	1 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended
	Jan. 31, 2021 USD ($) retiree	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	May 01, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash contributions, pension plans						$ 40.3	$ 340.2	$ 826.2
Cash contributions, postretirement benefits						43.6	344.5
Pension Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Settlement losses		$ 0.0			$ 0.0	368.7	0.0
Estimated cash contributions by the company for current fiscal year		48.3				48.3
Pension Plans \| U.S. Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Group annuity contract to transfer projected benefit obligations, purchase amount	$ 279.0
Group annuity contract to transfer projected benefit obligations, number of retirees \| retiree	11,600
Settlement losses		0.0		$ 158.0	0.0	158.0	0.0
Previously-contemplated voluntary contribution no longer planning to make, American Rescue Plan		200.0				200.0
Dutch Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Settlement losses			$ 182.6
Projected benefit obligation transferred to multiemployer plan and removed from balance sheet									$ 553.0
Swiss Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Settlement losses			28.1
Projected benefit obligation transferred to multiemployer plan and removed from balance sheet			$ 100.0
Multiemployer plan, pension, significant, plan contribution				$ 10.0
Postretirement Benefit Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated cash contributions by the company for current fiscal year		$ 5.0			$ 6.0	5.0	6.0
Cash contributions, postretirement benefits						$ 3.3	$ 4.3