Annual report pursuant to Section 13 and 15(d)

401K PLAN (Details)

v2.4.1.9
401K PLAN (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]      
Employer contributions $ 2.4us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 2.6us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 2.8us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount