Represents the percentage of the forecasted intercompany sales to be hedged by using foreign currency risk derivatives.

No definition available.

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- Definition

Percentage of the forecasted natural gas requirements to be hedged by using derivatives per management policy.

+ References

No definition available.

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- Definition

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

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- 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.

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- Definition

This item represents disclosure of all significant concentrations of credit risk or market risk arising from the subject financial instrument (as defined), whether from an individual counterparty or groups of counterparties.

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Derivative Instruments (Details 8) (USD $)			12 Months Ended				12 Months Ended
Derivative Instruments (Details 8) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Minimum	Dec. 31, 2013 Maximum	Dec. 31, 2013 Foreign exchange contracts	Dec. 31, 2012 Foreign exchange contracts	Dec. 31, 2013 Foreign exchange contracts Maximum	Dec. 31, 2013 Natural gas contracts Minimum	Dec. 31, 2013 Natural gas contracts Maximum
Derivative Instruments
Aggregate fair value of derivative instruments in asset positions and maximum loss if all counterparties failed to perform as contracted	$ 1,900,000
Fair Value of Assets
Gross derivative amounts recognized in the balance sheet	1,874,000	1,120,000
Gross derivative amounts not offset in the balance sheet that are eligible for offsetting
Gross derivative amounts not offset that are eligible for offsetting - foreign currency contracts					(423,000)	(286,000)
Net amount	1,451,000	834,000
Fair Value of Liabilities
Gross derivative amounts recognized in the balance sheet	423,000	646,000
Gross derivative amounts not offset in the balance sheet that are eligible for offsetting
Gross derivative amounts not offset that are eligible for offsetting - foreign currency contracts					(423,000)	(286,000)
Net amount		$ 360,000
Managing foreign currency and natural gas exposure
Percentage of the forecasted intercompany sales to be hedged by using foreign currency risk derivatives				75.00%
Percentage of the forecasted natural gas requirements to be hedged by using derivatives			0.00%	75.00%
Maturity period of derivatives							18 months	1 month	18 months