v2.4.0.8
Derivative Instruments (Tables)
 6 Months Ended
Jun. 30, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments
The effect of derivative instruments in cash flow hedging relationships on the Consolidated Statements of Income and the Consolidated Statements of Stockholders' Equity were as follows:
 
 
 
For the Three Months Ended June 30,
 
2013
 
2012
Natural Gas Price Swaps
 
 
 
Beginning Balance – Accumulated OCI

$
35,453

 
$
179,915

Gain/(Loss) recognized in Accumulated OCI
$
45,749

 
$
10,663

Less: Gain reclassified from Accumulated OCI into Outside Sales
$
9,528

 
$
57,847

Ending Balance – Accumulated OCI

$
71,674

 
$
132,731

Gain/(Loss) recognized in Outside Sales for ineffectiveness 
$
(3,753
)
 
$
882



 
 
 
For the Six Months Ended June 30,
 
2013
 
2012
Natural Gas Price Swaps
 
 
 
Beginning Balance – Accumulated OCI

$
76,761

 
$
151,780

Gain/(Loss) recognized in Accumulated OCI
$
27,154

 
$
86,739

Less: Gain reclassified from Accumulated OCI into Outside Sales
$
32,241

 
$
105,788

Ending Balance – Accumulated OCI

$
71,674

 
$
132,731

Gain/(Loss) recognized in Outside Sales for ineffectiveness 
$
(2,712
)
 
$
47


There were no amounts excluded from the assessment of hedge effectiveness in 2013 or 2012.