SUMMARY OF ACCOUNTING POLICIES (Details 5) (USD $)								12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Insignificant acquisitions	Mar. 31, 2013 Insignificant acquisitions	Mar. 31, 2014 Global and North American Asset-Backed Securitization	Mar. 31, 2013 Global and North American Asset-Backed Securitization	Mar. 31, 2012 Global and North American Asset-Backed Securitization	Mar. 31, 2013 Warrants to purchase common shares
Other Current Assets
Deferred purchase price receivable on transfer of assets					$ 470,908,000	$ 412,357,000	$ 514,895,000
Equity investments in non-majority owned companies	77,400,000	26,800,000
Fair value of fully vested warrants to purchase common stock of a supplier included in other assets								74,400,000
Proceeds from warrants exercised								67,300,000
Realized loss on warrants exercised								7,100,000
Assets financed by a third party banking institution included in other current assets			267,500,000	251,300,000
Other Current Liabilities
Customer working capital advances included in other current liabilities	754,700,000	214,100,000
Deferred revenue	296,300,000	227,000,000
Other current liability for purchase of assets on behalf of customer financed by a third party banking institution			$ 286,500,000	$ 272,800,000