Annual report pursuant to Section 13 and 15(d)

RESTRUCTURING CHARGES - Narrative (Details)

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RESTRUCTURING CHARGES - Narrative (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Restructuring and Related Activities [Abstract]      
Facilities $ 1,250us-gaap_BusinessExitCosts1 $ 4,303us-gaap_BusinessExitCosts1 $ 1,920us-gaap_BusinessExitCosts1
Severance and benefits 406us-gaap_SeveranceCosts1 6,139us-gaap_SeveranceCosts1 8,251us-gaap_SeveranceCosts1
Other $ 10us-gaap_OtherRestructuringCosts $ 772us-gaap_OtherRestructuringCosts $ 0us-gaap_OtherRestructuringCosts