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, 2016
Jun. 30, 2015
Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]      
Restructuring costs $ 2,052 $ 258  
Restructuring charges 3,463   $ 2,737
Severance and Benefits      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 1,489 72  
Restructuring charges 814   354
Severance and Benefits | Fiscal 2017 April Restructuring Plan      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 1,500    
Restructuring charges 700    
Facilities      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 563 $ 186  
Restructuring charges 2,649   $ 2,383
Facilities | Fiscal 2017 April Restructuring Plan      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs 400    
Restructuring charges $ 400