RATES AND REGULATORY ACTIONS (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Jun. 30, 2012	May 31, 2012	Mar. 31, 2012
Public Utilities, General Disclosures [Abstract]
Investment requested to be recoverd through CIRT II			$ 35.0
Cost requested to be recovered through EEP II, rate increase		0.35%
Cost requested to be recovered through EEP I, rate increase	0.70%
Petition to adjust BGSS, rate reduction	8.80%
Petition to adjust CIP, rate increase	7.00%