DERIVATIVE FINANCIAL INSTRUMENTS (Details) (Interest Rate Swap 2008 [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2012
Interest Rate Swap 2008 [Member]
Derivative [Line Items]
Inception date	Dec. 08, 2008
Notional amount	$ 20
Fixed interest rate (in hundredths)	2.40%
Description of variable rate basis	1 month LIBOR rate
Expiry date	Dec. 08, 2011