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Financial Derivative Instruments - Fuel Hedging (Details) | Sep. 30, 2014 gal
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Remainder of 2014 |  |
Volume of Fuel Hedging [Line Items] |  |
Fuel Hedged (in gallons) | 137,000,000 | [1]
2015 |  |
Volume of Fuel Hedging [Line Items] |  |
Fuel Hedged (in gallons) | 1,436,000,000 | [1]
2016 |  |
Volume of Fuel Hedging [Line Items] |  |
Fuel Hedged (in gallons) | 1,314,000,000 | [1]
2017 |  |
Volume of Fuel Hedging [Line Items] |  |
Fuel Hedged (in gallons) | 820,000,000 | [1]
2018 |  |
Volume of Fuel Hedging [Line Items] |  |
Fuel Hedged (in gallons) | 98,000,000 | [1]
[1] | Due to the types of derivatives utilized by the Company, these volumes represent the maximum economic hedge in place and may vary significantly as market prices fluctuate.

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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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