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RESTRUCTURING CHARGES - Schedule of Estimated Timing of Future Payouts (Details) $ in Thousands | 6 Months Ended
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Sep. 30, 2018 USD ($)
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | $ 4,437
Fiscal 2019 |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 1,561
Fiscal 2020 to 2023 |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 2,876
Severance and benefits |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 445
Severance and benefits | Fiscal 2019 |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 445
Severance and benefits | Fiscal 2020 to 2023 |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 0
Facilities |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 3,992
Facilities | Fiscal 2019 |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | 1,116
Facilities | Fiscal 2020 to 2023 |
Restructuring Cost and Reserve [Line Items] |
Estimated timing of future payouts | $ 2,876

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