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Discontinued Operations (Table)
6 Months Ended
Mar. 31, 2013
Discontinued Operations [Abstract]  
Discontinued operations income statement detail table
The following table presents statement of income data related to discontinued operations.
              
   Three Months Ended  Six Months Ended
   March 31 March 31
   2013 2012 2013 2012
   (In thousands)
              
Operating revenues$21,678 $44,315 $37,962 $84,945
Purchased gas cost 12,497  26,493  21,464  51,133
              
 Gross profit 9,181  17,822  16,498  33,812
Operating expenses 3,038  6,819  5,858  13,547
Operating income 6,143  11,003  10,640  20,265
Other nonoperating income 200  55  548  432
Income from discontinued operations           
 before income taxes 6,343  11,058  11,188  20,697
Income tax expense 2,258  4,031  3,986  7,547
  Net income from discontinued operations$4,085 $7,027 $7,202 $13,150
              
Assets held for sale table
        
The following table presents balance sheet data related to assets held for sale.
        
   March 31, September 30,
   2013 2012
   (In thousands)
        
Net plant, property & equipment $ 144,962 $ 142,865
Gas stored underground   302   4,688
Other current assets   9,961   6,931
Deferred charges and other assets   207   87
 Assets held for sale $ 155,432 $ 154,571
        
Accounts payable and accrued liabilities $ 2,600 $ 2,114
Other current liabilities   5,307   3,776
Regulatory cost of removal   83   3,257
Deferred credits and other liabilities   216   2,426
 Liabilities held for sale $ 8,206 $ 11,573