SUBSEQUENT EVENTS (Details)	12 Months Ended	2 Months Ended
	Sep. 30, 2012 Customers	Nov. 28, 2012 Natural Disasters and Other Casualty Events [Member] MW Customers
Subsequent Event [Line Items]
Retail Customers Immediately Affected by Natural Disaster		30,100
Total Retail Customers	500,141
Damage as a Result of a Natural Disaster		1.5