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Retirement Plans - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended
	Feb. 29, 2020	Jan. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Pension liability				$ 6.6
Remaining plan assets in excess of pension liability			$ 16.6
United States Plans
Defined Benefit Plan Disclosure [Line Items]
Contributions to pension plans		$ 19.2
Settlement of lump sum payments	$ 3.2
Defined Benefit Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions to pension plans			4.4
Estimated employer contribution to pension plans during remainder of current fiscal year			16.0
Retiree Health Care Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions to retiree health care plan			$ 0.3

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Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year.

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

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Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract.

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Amount, after tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan.

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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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