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Commitments And Contingencies Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Loss Contingencies [Line Items]
Income tax expense		$ 12.2	$ 13.4	$ 38.1	$ 27.4
Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil
Loss Contingencies [Line Items]
Income tax expense		$ 1.6		$ 1.6
Forecast | Foreign Tax Authority | Secretariat of the Federal Revenue Bureau of Brazil
Loss Contingencies [Line Items]
Brazil Tax Credits	$ 4.3

X

- Definition

A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions.

+ References

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 280
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