Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Error Correction (Details)

v3.23.1
Summary of Significant Accounting Policies - Error Correction (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Dec. 26, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue $ 1,019,509 $ 750,150 $ 548,973
Income From Operations (1) 187,477 92,400 94,521
As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Income From Operations (1)   92,400  
Eliminations      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue (50,318) (33,373) (16,636)
Income From Operations (1) (101) 40 45
Eliminations | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Income From Operations (1)   40  
Janus North America | Operating Segments      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 994,316 714,944 520,119
Income From Operations (1) 183,142 95,930 91,665
Janus North America | Operating Segments | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   714,944  
Income From Operations (1)   70,697  
Janus North America | Operating Segments | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Income From Operations (1)   25,233  
Janus North America | Operating Segments | Self Storage-New Construction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 289,381 246,670 246,547
Janus North America | Operating Segments | Self Storage-New Construction | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   235,361  
Janus North America | Operating Segments | Self Storage-New Construction | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   11,309  
Janus North America | Operating Segments | Self Storage-R3      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 304,051 210,180 132,283
Janus North America | Operating Segments | Self Storage-R3 | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   220,949  
Janus North America | Operating Segments | Self Storage-R3 | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   (10,769)  
Janus North America | Operating Segments | Commercial and Others      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 400,884 258,094 141,289
Janus North America | Operating Segments | Commercial and Others | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   258,634  
Janus North America | Operating Segments | Commercial and Others | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   (541)  
Janus North America | Operating Segments | Goods transferred at a point in time      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 880,028 614,851 430,585
Janus North America | Operating Segments | Goods transferred at a point in time | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   615,020  
Janus North America | Operating Segments | Goods transferred at a point in time | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   (169)  
Janus North America | Operating Segments | Services transferred over time      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 114,288 100,093 89,534
Janus North America | Operating Segments | Services transferred over time | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   99,924  
Janus North America | Operating Segments | Services transferred over time | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue   169  
Janus International | Operating Segments      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 75,511 68,579 45,490
Income From Operations (1) 4,436 (3,570) 2,811
Janus International | Operating Segments | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     45,490
Income From Operations (1)   21,663  
Janus International | Operating Segments | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Income From Operations (1)   (25,233)  
Janus International | Operating Segments | Self Storage-New Construction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 57,242 51,723 26,701
Janus International | Operating Segments | Self Storage-New Construction | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     25,509
Janus International | Operating Segments | Self Storage-New Construction | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     1,192
Janus International | Operating Segments | Self Storage-R3      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 18,269 16,856 18,735
Janus International | Operating Segments | Self Storage-R3 | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     19,981
Janus International | Operating Segments | Self Storage-R3 | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     (1,246)
Janus International | Operating Segments | Commercial and Others      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 0 0 54
Janus International | Operating Segments | Commercial and Others | As previously reported      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     0
Janus International | Operating Segments | Commercial and Others | Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue     54
Janus International | Operating Segments | Goods transferred at a point in time      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue 43,378 38,490 25,509
Janus International | Operating Segments | Services transferred over time      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Revenue $ 32,133 $ 30,089 $ 19,981