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RESTRUCTURING - Summary of Costs Incurred by Segment Related to Restructuring (Details)
 3 Months Ended 31 Months Ended
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
numberofemployees
Mar. 31, 2018
USD ($)
Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 283,000 $ 2,731,000    
Number of employees terminated | numberofemployees   200    
Employee Severance and Benefit Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges [1] 230,000 $ 2,301,000    
Restructuring Costs     $ 80,500,000  
Asset Impairments Related to Restructuring        
Restructuring Cost and Reserve [Line Items]        
Restructuring Costs     $ 7,500,000  
Other Exit Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 53,000 430,000    
North America        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 0 1,955,000    
North America | Employee Severance and Benefit Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges [1] 0 1,778,000    
North America | Other Exit Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 0 177,000    
International        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 283,000 800,000    
International | Employee Severance and Benefit Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges [1] 230,000 523,000    
International | Other Exit Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 53,000 $ 253,000    
Facility Closing | International        
Restructuring Cost and Reserve [Line Items]        
Number of countries in which operations were ceased within       17
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