v3.25.2
Debt - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended
May 07, 2025
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Jun. 26, 2025
Dec. 31, 2024
Mar. 12, 2021
Mar. 05, 2021
Debt Instrument [Line Items]                  
Debt issuance costs   $ 6,600,000   $ 6,600,000     $ 8,500,000    
Amortization of debt issuance costs       $ 1,970,000 $ 1,967,000        
Class of warrant or right, number of securities called by warrants or rights (in shares) 9,558,635         3,823,454      
Class of warrant or right, exercise price of warrants or rights, percentage of VWAP 115.00%                
Class of warrant or right, exercise price of warrants or rights, percentage of VWAP, term (in days) 30 days                
Class of warrant or right, exercise price of warrants or rights (in usd per share)   $ 2.088   $ 2.088   $ 3.26      
Class of warrant or right, issuable (in years) 2 days                
Class of warrant or right, exercisable (in years) 5 years                
Unissued warrants   5,735,181   5,735,181          
Stock warrant liability   $ 8,000,000   $ 8,000,000   $ 8,000,000      
Contingently issuable warrants   12,100,000   12,100,000          
Delayed draw term loan warrants   20,143,000   20,143,000     0    
Minimum                  
Debt Instrument [Line Items]                  
Class of warrant or right, exercise price of warrants or rights (in usd per share) $ 2.00                
Maximum                  
Debt Instrument [Line Items]                  
Class of warrant or right, exercise price of warrants or rights (in usd per share) $ 3.75                
Level 2 | Recurring                  
Debt Instrument [Line Items]                  
Convertible notes, fair value   $ 101,200,000   $ 101,200,000          
Convertible Debt                  
Debt Instrument [Line Items]                  
Interest, stated rate (in percent)   0.00%   0.00%          
Debt issuance costs   $ 6,557,000   $ 6,557,000     8,524,000   $ 23,600,000
Amortization of debt issuance costs   $ 1,000,000.0 $ 1,000,000.0 $ 2,000,000.0 $ 2,000,000.0        
Annualized effective interest rate (in percent)   0.34% 0.35% 0.34% 0.35%        
Remaining term (in years)       1 year 8 months 12 days          
Principal Amount   $ 1,150,000,000 $ 1,150,000,000 $ 1,150,000,000 $ 1,150,000,000   1,150,000,000    
Convertible Senior Notes Due 2027 | Level 2 | Recurring                  
Debt Instrument [Line Items]                  
Convertible notes, fair value   101,200,000   101,200,000          
Convertible Senior Notes Due 2027 | Convertible Debt                  
Debt Instrument [Line Items]                  
Debt, face amount                 $ 1,000,000,000.0
Interest, stated rate (in percent)                 0.00%
Debt issuance costs   6,557,000   6,557,000          
Principal Amount   1,150,000,000   1,150,000,000          
Additional Convertible Senior Notes Due 2027 | Convertible Debt                  
Debt Instrument [Line Items]                  
Debt, face amount               $ 150,000,000.0  
Loan and Security Agreement | Line of Credit | Secured Debt                  
Debt Instrument [Line Items]                  
Debt, face amount $ 100,000,000.0                
Amortization of debt issuance costs       3,000          
Upfront fee 625,000                
Minimum borrowing requirement 3,000,000.0                
Covenant, minimum liquidity 15,000,000.0                
Covenant, minimum cash principal and interest payments due 20,000,000.0                
Covenant, maximum cash used to repay debt 60,000,000.0                
Principal Amount   40,000,000.0   40,000,000.0          
Unamortized debt issuance costs $ 3,700,000                
Reduction in term loan facility       1,500,000          
Un-drawn amount   60,000,000   60,000,000          
Loan and Security Agreement | Line of Credit | Secured Debt | Minimum                  
Debt Instrument [Line Items]                  
Interest, stated rate (in percent) 12.00%                
Loan and Security Agreement | Line of Credit | Secured Debt | Maximum                  
Debt Instrument [Line Items]                  
Interest, stated rate (in percent) 17.50%                
Loan and Security Agreement, Initial Draw | Line of Credit | Secured Debt                  
Debt Instrument [Line Items]                  
Debt issuance costs   1,500,000   1,500,000     $ 0    
Loan and Security Agreement, Undrawn Amount | Line of Credit | Secured Debt                  
Debt Instrument [Line Items]                  
Debt issuance costs   $ 2,200,000   $ 2,200,000