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Income Taxes - Schedule of Reconciliation of U.S. Federal Statutory Tax Rate to Company's Effective Tax Rate (Current Year) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Amount      
Statutory regular federal income tax rate $ 57,100    
State and local income taxes, net of federal income tax effect 8,300    
Foreign GILTI, net with FTC 2,400    
Other 800    
R&D credits (4,800)    
Excess stock-based compensation (5,000)    
Other 7,500    
Changes in unrecognized tax benefit 2,800    
Total $ 64,900 $ 5,600 $ 5,300
Percent      
Statutory regular federal income tax rate 21.00%    
State and local income taxes, net of federal income tax effect 3.10% (12.10%) (2.00%)
Switzerland   8.00% (2.40%)
Other   (26.30%) (2.30%)
Foreign GILTI, net with FTC 0.90%    
Other 0.30%    
Research and development tax credits (1.80%) (16.70%) (3.40%)
Excess stock-based compensation (1.80%)    
Other 2.80%    
Changes in unrecognized tax benefit 1.00%    
Total 23.80% 25.70% 4.70%
Switzerland      
Amount      
State and local income taxes, net of federal income tax effect $ 5,000    
Switzerland (17,600)    
Impairment (4,300)    
Cross-border tax laws 4,700    
Other $ 2,300    
Percent      
State and local income taxes, net of federal income tax effect 1.80%    
Switzerland (6.50%)    
Impairment (1.60%)    
Cross-border tax laws 1.70%    
Other 0.80%    
Other foreign jurisdictions      
Amount      
Switzerland $ 5,700    
Percent      
Switzerland 2.10%