Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jun. 25, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Conversion basis for conversion of the then-issued and outstanding ordinary shares of predecessor into successor shares (in shares) 1      
Shares issued (in shares) 7,500,000      
Private placement warrants issued (in shares) 5,263,500      
Shares called upon by private placement warrants (in shares) 2,631,750      
Operating profit   $ (3,064) $ (33,322)  
Restructuring and other expenses   1,657 0  
Accrued severance expense   1,000   $ 1,000
Warrant liabilities   (7,999)   0
Change in fair value of warrant liabilities   2,362 0  
Facility Closing        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Restructuring and other expenses   $ 1,700    
Restatement adjustment        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Warrant liabilities       (8,100)
Change in fair value of warrant liabilities       1,200
Restatement adjustment | Merisant and Mafco Worldwide        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Transaction costs       $ 1,100
Restatement adjustment | ASU 2017-07        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Operating profit     $ 100