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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)
 9 Months Ended
Sep. 30, 2013
Equity [Abstract]  
Schedule of changes in accumulated other comprehensive loss (AOCL)
The following tables summarize the changes in accumulated other comprehensive loss (AOCL) for the three and nine months ended September 30, 2013 (in thousands):

 
Postretirement Liability Adjustment
 
Unrealized Gain (Loss) on Derivatives-Other
 
Unrealized Gain (Loss) on Available-for-Sale Securities
 
Other Comprehensive Income (Loss) of Affiliated Companies
 
Total
Balance at July 1, 2013 (a)
$
(23,437
)
 
$
(2,830
)
 
$
(3
)
 
$
36

 
$
(26,234
)
   Other comprehensive income before reclassifications
—

 
—

 
221

 
—

 
221

   Amounts reclassified from AOCL (b)
—

 
66

 
—

 
(25
)
 
41

Net current period other comprehensive income (loss)
—

 
66

 
221

 
(25
)
 
262

Balance at September 30, 2013 (a)
$
(23,437
)
 
$
(2,764
)
 
$
218

 
$
11

 
$
(25,972
)


 
Postretirement Liability Adjustment
 
Unrealized Gain (Loss) on Derivatives-Other
 
Unrealized Gain (Loss) on Available-for-Sale Securities
 
Other Comprehensive Income (Loss) of Affiliated Companies
 
Total
Balance at January 1, 2013 (a)
$
(23,437
)
 
$
(2,962
)
 
$
294

 
$
(5,000
)
 
$
(31,105
)
   Other comprehensive income before reclassifications
—

 
—

 
413

 
—

 
413

   Amounts reclassified from AOCL (b)
—

 
198

 
(489
)
 
5,011

 
4,720

Net current period other comprehensive income (loss)
—

 
198

 
(76
)
 
5,011

 
5,133

Balance at September 30, 2013 (a)
$
(23,437
)
 
$
(2,764
)
 
$
218

 
$
11

 
$
(25,972
)

(a) Determined using a combined statutory tax rate of 41%.
(b) See table below.
Reclassifications out of AOCL
The following table provides details about reclassifications out of AOCL for the three and nine months ended September 30, 2013:

 
Amounts Reclassified from AOCL (in thousands)
 
Affected Line Item in the Condensed Consolidated Statements of Income
Three Months Ended
September 30, 2013
 
Nine Months Ended
September 30, 2013
 
Unrealized Loss on Derivatives-Other - interest rate contracts designated as cash flow hedges
$
112

 
$
336

 
Interest Charges
   Income Taxes
(46
)
 
(138
)
 
Income Taxes (a)
 
$
66

 
$
198

 
 
 
 
 
 
 
 
Unrealized Gain on Available-for-Sale Securities
$
—

 
$
(827
)
 
Other Income
   Income Taxes
—

 
338

 
Income Taxes (a)
 
$
—

 
$
(489
)
 
 
 
 
 
 
 
 
Loss of Affiliated Companies
$
(52
)
 
$
8,459

 
Equity in Loss of Affiliated Companies
   Income Taxes
27

 
(3,448
)
 
Income Taxes (a)
 
$
(25
)
 
$
5,011

 
 
 
 
 
 
 
 
Losses from reclassifications for the period net of tax
$
41

 
$
4,720