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Basis of Presentation and Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 6 Months Ended
Jun. 27, 2025
USD ($)
Jun. 27, 2025
USD ($)
Property
Organization And Description Of Business And Accounting Policies [Line Items]    
Recognized costs of severance and reduction in workforce $ 3,645,000 $ 12,453,000
Consulting expenses 227,000 866,000
Impairment on real property right-of-use assets 676,000 $ 4,083,000
Number of leased properties looking for subleases | Property   2
Restructuring, impairment and related charges 5,248,000 $ 27,912,000
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 consolidated net loss.
Leasehold Improvements    
Organization And Description Of Business And Accounting Policies [Line Items]    
Recognized cost 700,000 $ 7,759,000
Internally Developed Software    
Organization And Description Of Business And Accounting Policies [Line Items]    
Impairment of internally developed software $ 0 $ 2,751,000
Maximum | Consolidated Accounts Payable | Vendor Concentration Risk    
Organization And Description Of Business And Accounting Policies [Line Items]    
Concentration risk, aggregate of percentage   10.00%