Annual report pursuant to Section 13 and 15(d)

RESTRUCTURING CHARGES - Narrative (Details)

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RESTRUCTURING CHARGES - Narrative (Details) - position
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Fiscal 2019    
Restructuring Cost and Reserve [Line Items]    
Number of positions eliminated 80  
Fiscal 2018    
Restructuring Cost and Reserve [Line Items]    
Number of positions eliminated   210