Quarterly report pursuant to Section 13 or 15(d)

RESTRUCTURING CHARGES - Narrative (Details)

v3.6.0.2
RESTRUCTURING CHARGES - Narrative (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended
Apr. 30, 2016
position
Nov. 30, 2015
position
Dec. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
Dec. 31, 2015
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Restructuring Cost and Reserve [Line Items]                
Restructuring costs     $ (105)   $ 1,895   $ 1,962 $ 2,540
Severance and Benefits                
Restructuring Cost and Reserve [Line Items]                
Restructuring costs     (13)   1,685   1,437 1,912
Facilities                
Restructuring Cost and Reserve [Line Items]                
Restructuring costs     $ (92)   210   525 628
Fiscal 2017 April Restructuring Plan                
Restructuring Cost and Reserve [Line Items]                
Positions eliminated (positions) | position 29              
Fiscal 2017 April Restructuring Plan | Severance and Benefits                
Restructuring Cost and Reserve [Line Items]                
Restructuring costs           $ 1,500 1,500  
Fiscal 2017 April Restructuring Plan | Facilities                
Restructuring Cost and Reserve [Line Items]                
Restructuring costs             $ 200  
Fiscal 2016 Restructuring Plan                
Restructuring Cost and Reserve [Line Items]                
Positions eliminated (positions) | position   65            
Fiscal 2016 Restructuring Plan | Severance and Benefits                
Restructuring Cost and Reserve [Line Items]                
Restructuring costs       $ 2,000 $ 1,700     $ 1,700