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NON-U.S. EMPLOYEE DEFINED BENEFIT PLANS - Narrative (Details) - USD ($)
 2 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2018
Oct. 27, 2017
Retirement Benefits [Abstract]      
Curtailment gain   $ 500,000  
Benefits paid $ 3,000 273,000  
One-time lump sum payments to participants   $ 250,000  
Net gains and losses amortization threshold   10.00%  
Expected amortization of gain (loss) in the next fiscal year   $ 4,000  
Fair value of combined plan assets 3,893,000 3,842,000 $ 3,776,000
Participant contributions $ 5,000 5,000  
Fixed contributions per employee, percent 5.00%    
Employer pension plan contributions $ 22,000 292,000  
Expected future employer contributions to pension plans in 2019   $ 200,000