Quarterly report [Sections 13 or 15(d)]

Acquired Intangible Assets and Goodwill - Schedule of Goodwill (Details)

v3.26.1
Acquired Intangible Assets and Goodwill - Schedule of Goodwill (Details)
$ in Millions
3 Months Ended
Apr. 04, 2026
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 383.9
Foreign Currency Translation Adjustment (0.1)
Ending balance 428.0
Kiwi Acquisition  
Goodwill [Roll Forward]  
Kiwi II Acquisition 44.2
Janus North America  
Goodwill [Roll Forward]  
Beginning balance 371.8
Foreign Currency Translation Adjustment 0.0
Ending balance 416.0
Janus North America | Kiwi Acquisition  
Goodwill [Roll Forward]  
Kiwi II Acquisition 44.2
Janus International  
Goodwill [Roll Forward]  
Beginning balance 12.1
Foreign Currency Translation Adjustment (0.1)
Ending balance 12.0
Janus International | Kiwi Acquisition  
Goodwill [Roll Forward]  
Kiwi II Acquisition $ 0.0