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RESTRUCTURING AND OTHER RELATED CHARGES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Restructuring and Other Related Charges [Line Items]
Restructuring and other related charges	$ 0	$ (428)	$ 1,867

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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