FAIR VALUE OF ASSETS AND LIABILITIES (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012
FAIR VALUE OF ASSETS AND LIABILITIES [Abstract]
Accounts receivable	$ 174,891,000	$ 205,869,000
Accounts receivable, fair value	175,600,000	206,400,000
Liabilities [Abstract]
Accounts receivable due in fiscal 2015	112,600,000
Accounts receivable due in fiscal 2016	44,400,000
Accounts receivable due in fiscal 2017	15,900,000
Accounts receivable due in fiscal 2018	1,500,000
Accounts receivable due in fiscal 2019	471,000
Recurring Basis [Member] \| Estimated Fair Value [Member]
Assets [Abstract]
Cash equivalents - money market funds	11,525,000	25,391,000
Foreign exchange derivatives	31,000
Liabilities [Abstract]
Foreign exchange derivatives		27,000
Recurring Basis [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Cash equivalents - money market funds	11,525,000	25,391,000
Foreign exchange derivatives	0
Liabilities [Abstract]
Foreign exchange derivatives		0
Recurring Basis [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Cash equivalents - money market funds	0	0
Foreign exchange derivatives	31,000
Liabilities [Abstract]
Foreign exchange derivatives		27,000
Recurring Basis [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Cash equivalents - money market funds	0	0
Foreign exchange derivatives	0
Liabilities [Abstract]
Foreign exchange derivatives		$ 0

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