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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Operating Leases [Line Items] |  |  |
Rent expense | $ 7.2 | $ 6.6 | $ 7.0
Sublease income | 1.1 | $ 0.6 |
Non-cancelable commitments | $ 34.3 |  |
Minimum |  |  |
Operating Leases [Line Items] |  |  |
Renewal term (in years) | 1 year |  |
Maximum |  |  |
Operating Leases [Line Items] |  |  |
Renewal term (in years) | 10 years |  |

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- Definition Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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