Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional information (Detail)

v3.21.2
Stockholders' Equity - Additional information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 25, 2021
Jun. 07, 2021
Aug. 19, 2019
Jun. 26, 2021
Sep. 25, 2021
Dec. 26, 2020
Class of Stock [Line Items]            
Common Stock, Shares Authorized 825,000,000 825,000,000     825,000,000 825,000,000
Common Stock, Par or Stated Value Per Share $ 0.0001 $ 0.0001     $ 0.0001 $ 0.0001
Common Stock, Shares, Outstanding 138,384,360 138,384,250     138,384,360 66,145,633
Stock Issued During Period, Value, New Issues       $ 250,000,000    
Class of Warrant or Right, Outstanding 17,249,995       17,249,995  
Private Placement [Member]            
Class of Stock [Line Items]            
Number of warrants issued         10,150,000  
Warrants issue price         $ 1.00  
Number of warrants issued value         $ 10,150,000  
Class of Warrant or Right, Outstanding 10,150,000 10,150,000     10,150,000  
Number of warrants transferred         5,075,000  
PIPE Investors [Member]            
Class of Stock [Line Items]            
Common Stock, Shares, Outstanding 25,000,000       25,000,000  
Janus Midco, LLC unitholders [Member]            
Class of Stock [Line Items]            
Common Stock, Shares, Outstanding 70,270,400       70,270,400  
Share Price   $ 10.00        
Janus Midco, LLC unitholders [Member] | PIPE Investors [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Shares, Acquisitions   25,000,000        
Share Price   $ 10.00        
Janus Midco, LLC unitholders [Member] | Director [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Shares, Acquisitions   1,000,000        
Juniper Industrial Holdings Inc [Member] | Private Placement [Member]            
Class of Stock [Line Items]            
Share Price $ 11.50       $ 11.50  
Series A Preferred Stock [Member]            
Class of Stock [Line Items]            
Preferred Stock, Conversion Basis 343.983          
Common Class B [Member]            
Class of Stock [Line Items]            
Common Stock, Conversion Basis 249.585          
Stock Issued During Period, Value, Issued for Services     8,625,000      
Stock Issued During Period, Value, New Issues     $ 25,000      
Common Class B [Member] | Juniper Industrial Holdings Inc [Member]            
Class of Stock [Line Items]            
Share Price     $ 0.003      
Common Class A [Member]            
Class of Stock [Line Items]            
Stock Issued During Period, Value, New Issues     $ 2,000,000      
Public Warrants [Member]            
Class of Stock [Line Items]            
Class of Warrant or Right, Outstanding 17,249,885       17,249,885