XML 18 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Hedging Activities (Schedule Of Derivative Instruments) (Details) | Sep. 30, 2014
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Fixed Price Swap, April through December 2014 [Member] |
Derivative [Line Items] |
Daily Volume | 2,000
Weighted Average Price | 101.50
Fixed Price Swap, June through December 2014 [Member] |
Derivative [Line Items] |
Daily Volume | 155,000
Weighted Average Price | 4.07
Fixed Price Swap, January through December 2015 [Member] |
Derivative [Line Items] |
Daily Volume | 175,000
Weighted Average Price | 4.08
Fuel Price Swap, April 2015 [Member] |
Derivative [Line Items] |
Daily Volume | 185,000
Weighted Average Price | 4.07
Fuel Price Swap, May through December 2015 [Member] |
Derivative [Line Items] |
Daily Volume | 195,000
Weighted Average Price | 4.07
Fixed Price Swap, January through March 2016 [Member] |
Derivative [Line Items] |
Daily Volume | 135,000
Weighted Average Price | 4.03
Fixed Price Swap, April 2016 [Member] |
Derivative [Line Items] |
Daily Volume | 125,000
Weighted Average Price | 4.03
Fuel Price Swap, May through December 2016 [Member] |
Derivative [Line Items] |
Daily Volume | 30,000
Weighted Average Price | 4.01

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | instant