Annual report pursuant to Section 13 and 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 ($)
 6 Months Ended 12 Months Ended
Jun. 25, 2020
Jun. 30, 2021
Dec. 31, 2020
Jun. 25, 2020
Dec. 31, 2021
Dec. 31, 2019
Mar. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Private placement warrants issued (in shares) 5,263,500            
Shares called upon by private placement warrants (in shares) 2,631,750     2,631,750 100    
Deferred software costs     $ 0   $ 1,000,000    
Amortization of deferred software costs         0    
Research and development expenses     1,600,000 $ 1,700,000 3,400,000 $ 3,400,000  
Workers compensation and group medical liabilities     500,000   100,000    
Advertising expense     6,200,000 4,800,000 17,000,000.0 11,900,000  
Total foreign exchange gains (losses), tax     (900,000) 500,000 (200,000) (2,000,000)  
Expense related to remeasurement adjustments     300,000 0 300,000    
Restructuring and other non-recurring expenses     1,052,000 0 4,503,000 2,193,000  
Payments of employee termination benefits         800,000    
Change in fair value of warrant liabilities     0 $ 0 (29,000) 0  
Private Placement | Level 3 | Warrants and Rights Outstanding              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Warrant liabilities     8,139,000   $ 2,053,000    
Minimum | Buildings              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Property, plant and equipment, useful life         3 years    
Minimum | Property, Plant and Equipment, Other Types              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Property, plant and equipment, useful life         1 year    
Maximum | Buildings              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Property, plant and equipment, useful life         40 years    
Maximum | Property, Plant and Equipment, Other Types              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Property, plant and equipment, useful life         20 years    
Facility Closing              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Restructuring and other non-recurring expenses         $ 3,900,000 1,600,000  
Employee Severance              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Restructuring and other non-recurring expenses     1,100,000   600,000 $ 600,000  
Accrued severance expense     1,000,000   $ 800,000    
Common Stock              
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            
Restatement adjustment              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Change in fair value of warrant liabilities   $ 1,200,000          
Restatement adjustment | Merisant and Mafco Worldwide              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Transaction costs             $ 1,100,000
Restatement adjustment | Private Placement | Level 3 | Warrants and Rights Outstanding              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Warrant liabilities     $ (1,161,000)