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Supplemental Financial Information Supplemental Financial Information (Other Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Supplemental Financial Information [Abstract]
Currency translation adjustments	$ 16.6	$ 3.8
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component	4.0	3.0
Gain on bargain purchase and measurement period adjustments	0.0	(6.3)
Gain on extinguishment of debt	0.0	3.1
Other income (expense)	0.5	(6.3)
Other, net	$ 21.1	$ 0.5

X

- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

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-Publisher FASB
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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

+ References

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- Definition

Amount of income (expense) related to nonoperating activities, classified as other.

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- Definition

Business Combination, Bargain Purchase, Adjustment (Gain) Loss

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Other Nonoperating Income (Expense), Other

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Supplemental Financial Information [Abstract]

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