v3.26.1
Basis of Presentation and Significant Accounting Policies - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Apr. 03, 2026
Jan. 02, 2026
Organization And Description Of Business And Accounting Policies [Line Items]    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] srt:ChiefExecutiveOfficerMember  
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description The CODM assesses performance by comparing actual results to forecasts and decides how to allocate resources, i.e., headcount and compensation, based on net income or on operating results, if a net loss.  
Alcon Research, LLC    
Organization And Description Of Business And Accounting Policies [Line Items]    
Professional fees and expenses $ 6,743,000  
Vendor Concentration Risk | Three Vendors | Consolidated Accounts Payable    
Organization And Description Of Business And Accounting Policies [Line Items]    
Concentration risk, aggregate of percentage 60.00%  
Vendor Concentration Risk | Two Vendors | Consolidated Accounts Payable    
Organization And Description Of Business And Accounting Policies [Line Items]    
Concentration risk, aggregate of percentage   30.00%