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RESTRUCTURING AND OTHER RELATED CHARGES Rollforward of Liability - OneTEAM Program (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]    
Charges $ 208 $ 0
OneTeam Program    
Restructuring Cost and Reserve [Line Items]    
Charges 208 $ 0
Employee Severance | OneTeam Program    
Restructuring Cost and Reserve [Line Items]    
Balance, beginning of period 2,283  
Charges 208  
Payments (1,206)  
Balance, end of period $ 1,285