v3.26.1
Segment Information - Additional Information (Details)
$ in Millions
6 Months Ended
Jul. 04, 2026
USD ($)
Segment
Jan. 03, 2026
USD ($)
Segment Reporting [Abstract]    
Number of operating segment 1  
Number of reportable segment 1  
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] srt:ChiefExecutiveOfficerMember  
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description The Company determined that the Chief Executive Officer of Middleby is the CODM who possesses the ultimate authority with respect to assessment of performance, allocation of resources, and all strategic actions of the Company. In performing this responsibility, the CODM regularly reviews key internal management reports, financial information, and quarterly results.  
Assets | $ $ 1,407.0 $ 1,461.0