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Debt - Credit Facility (Details)	9 Months Ended
	Sep. 30, 2018
Line of Credit Facility [Line Items]
Covenant compliance, actual leverage ratio	2.4
Maximum leverage ratio	4.5
Covenant compliance, actual interest coverage ratio	9.3
Minimum interest coverage	3.5
FMC Lithium Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum leverage ratio	3.5
Minimum interest coverage	3.5

X

- Definition

Covenant Compliance, Actual Interest Coverage Ratio

+ References

No definition available.

+ Details

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X

- Definition

Covenant Compliance, Actual Leverage Ratio

+ References

No definition available.

+ Details

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X

- Definition

Covenant Terms, Maximum Leverage Ratio

+ References

No definition available.

+ Details

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X

- Definition

Covenant Terms, Minimum Interest Coverage Ratio

+ References

No definition available.

+ Details

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X

- Definition

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.

+ References

No definition available.

+ Details

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X

- Details

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