RESTRUCTURING CHARGES - Narrative (Details) $ in Millions	3 Months Ended
Jun. 30, 2018 USD ($) position
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated \| position	65
Severance and benefits \| $	$ 3.4

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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