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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Volume of Outstanding Commodity Contracts (Details) - Commodity contracts	6 Months Ended
	Jun. 30, 2019 lb
Derivative [Line Items]
Derivative, outstanding commodity contract	5,000,000
Minimum
Derivative [Line Items]
Derivative, term of contract	1 month
Maximum
Derivative [Line Items]
Derivative, term of contract	7 months

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

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- Definition

Nominal mass used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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X

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Details

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