|
Hedging Activities (Schedule Of Derivative Instruments) (Details)
|
Sep. 30, 2014
|
|---|---|
|
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 |