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Derivative Financial Instruments (Derivatives And Hedging-Designated) (Details) (Designated As Hedging Instrument [Member], USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Derivatives, Fair Value [Line Items] | ||
| Derivative Asset, Fair Value, Gross Asset | $ 2,235 | |
| Derivative Liability, Fair Value, Gross Liability | 146 | |
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Commodity Contract [Member] | Other Current Assets [Member]
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| Derivatives, Fair Value [Line Items] | ||
| Derivative Asset, Fair Value, Gross Asset | 0 | 473 |
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Commodity Contract [Member] | Other Current Liabilities [Member]
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||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Liability, Fair Value, Gross Liability | 146 | 207 |
|
Commodity Contract [Member] | Other Noncurrent Assets [Member]
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Asset, Fair Value, Gross Asset | 2,235 | |
|
Commodity Contract [Member] | Other Noncurrent Liabilities [Member]
|
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| Derivatives, Fair Value [Line Items] | ||
| Derivative Liability, Fair Value, Gross Liability | $ 0 |