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Discontinued Operations (Table)
12 Months Ended
Sep. 30, 2011
Discontinued Operations Table Abstract 
Discontinued operations income statement detail table
The following table presents statement of income data related to discontinued operations.
           
   Year Ended
   September 30
   2011 2010 2009
   (In thousands)
           
Operating revenues$80,028 $69,855 $99,969
Purchased gas cost 48,759  42,419  72,945
           
 Gross profit 31,269  27,436  27,024
Operating expenses 16,854  15,151  15,988
Operating income 14,415  12,285  11,036
Other nonoperating expense (196)  (294)  (428)
Income from discontinued operations        
 before income taxes 14,219  11,991  10,608
Income tax expense 5,502  4,425  2,929
  Net income$8,717 $7,566 $7,679
Assets held for sale table
     
The following table presents balance sheet data related to assets held for sale.
     
   September 30,
   2011
   (In thousands)
     
Net plant, property & equipment $ 127,577
Gas stored underground   11,931
Other current assets   786
Deferred charges and other assets   277
 Assets held for sale $ 140,571
     
Accounts payable and accrued liabilities $ 1,917
Other current liabilities   4,877
Regulatory cost of removal   10,498
Deferred credits and other liabilities   1,153
 Liabilities held for sale $ 18,445