LONG-TERM DEBT (Letter of Credit Facility) (Details) (USD $)	Sep. 30, 2014 Standby Letters of Credit [Member]	Feb. 21, 2014 Standby Letters of Credit [Member]	Sep. 30, 2013 Standby Letters of Credit [Member]	Dec. 20, 2015 Forecasted [Member] Standby Letters of Credit [Member]	Sep. 30, 2014 Other Letters of Credit Arrangements [Member]	Sep. 30, 2013 Other Letters of Credit Arrangements [Member]
Debt Instrument [Line Items]
Maximum limit on issuance of letters of credit		$ 30,000,000		$ 25,000,000
Amount outstanding	$ 25,000,000		$ 27,000,000		$ 9,000,000	$ 9,000,000