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Derivative Financial Instruments (Derivatives And Hedging-Cash Flow Hedges) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | 3 Months Ended | 12 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||||||||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
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Mar. 31, 2014
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
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Dec. 31, 2012
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
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Jun. 30, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
|
Jun. 30, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
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Jun. 30, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
Interest Expense [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
Interest Expense [Member]
|
Jun. 30, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
Interest Expense [Member]
|
Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Interest Rate Contract [Member]
Interest Expense [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
NYMEX Commodity Contracts [Member]
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Jun. 30, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
NYMEX Commodity Contracts [Member]
Sales [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||||||||||||||||||||||
| Net gain (loss) on cash flow hedges | $ 0 | [1] | $ 0 | [1] | $ (3,613) | [1] | $ (4,560) | [1] | $ (3,613) | $ 11,000 | $ (4,560) | $ 0 | $ 0 | $ (3,613) | $ 0 | $ (4,560) | ||||||||
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | (4,326) | (30) | 41 | (4) | 82 | (4,408) | ||||||||||||||||||
| Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | $ 183 | $ 0 | $ 183 | $ 0 | $ 183 | $ 0 | $ 0 | |||||||||||||||||
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