Quarterly report pursuant to Section 13 or 15(d)

RESTRUCTURING CHARGES - Summary of Restructuring Expense (Details)

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RESTRUCTURING CHARGES - Summary of Restructuring Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]    
Restructuring costs $ 2,335 $ 2,052
Severance and Benefits    
Restructuring Cost and Reserve [Line Items]    
Restructuring costs 1,570 1,489
Facilities    
Restructuring Cost and Reserve [Line Items]    
Restructuring costs 756 563
Other Restructuring [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring costs $ 9 $ 0