Post-effective amendment to a registration statement that is not immediately effective upon filing

Summary of Significant Accounting Policies - Narrative (Details)

v3.22.1
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Apr. 02, 2022
Apr. 02, 2022
Mar. 27, 2021
Jan. 01, 2022
Dec. 26, 2020
Dec. 28, 2019
Nov. 12, 2021
Jun. 07, 2021
Jun. 30, 2020
Schedule of Equity Method Investments [Line Items]                  
Cost of sales   $ 152,950 $ 99,531 $ 498,787 $ 345,150 $ 368,395      
Reserve for inventory obsolescence $ 1,308 $ 1,308   1,295 1,964        
VAT taxes       3,906 3,444        
Deferred finance fees       4,321 0 5,516      
Warrant redemption price (in dollars per share) $ 11.5 $ 11.5         $ 0.1 $ 11.5  
Net VAT taxes $ 2,922 $ 2,922   4,057          
Maximum [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Additional right of use assets                 $ 543,000
Minimum [Member]                  
Schedule of Equity Method Investments [Line Items]                  
Additional right of use assets                 $ 541,000
U.S.                  
Schedule of Equity Method Investments [Line Items]                  
Cash in excess of insured limits       10,226 28,102        
Non-U.S.                  
Schedule of Equity Method Investments [Line Items]                  
Cash in excess of insured limits       2,272 6,329        
Cash       4,832 8,366        
Shipping and Handling                  
Schedule of Equity Method Investments [Line Items]                  
Cost of sales $ 9,934   $ 7,104 $ 35,241 $ 24,061 $ 26,285      
JIH Shareholders | Janus International Group, Inc.                  
Schedule of Equity Method Investments [Line Items]                  
Ownership percentage 49.20% 49.20%   49.20%          
Janus Midco | Janus International Group, Inc.                  
Schedule of Equity Method Investments [Line Items]                  
Ownership percentage 50.80% 50.80%   50.80%