DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details Textual) (Interest rate swaps [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Mar. 31, 2011
Senior Notes [Member]
Derivatives, Fair Value [Line Items]
Debt instrument outstanding	$ 30	$ 30
Interest Rate	5.60%	5.60%
Borrowings [Member]
Derivatives, Fair Value [Line Items]
Debt instrument outstanding	$ 33	$ 33
Interest Rate	3.30%	3.30%