RATES AND REGULATORY ACTIONS (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
	May 31, 2014	Jan. 31, 2014
Basic Gas Supply Service [Member]
Schedule of Capitalization [Line Items]
BGSS refunds made to customers		$ 11.2
Amount of regulatory costs approved	$ 4.9
Proposed recovery period	2 years
Energy Efficiency Tracker [Member]
Schedule of Capitalization [Line Items]
Amount of regulatory costs approved, percent change in recoveries	0.19%