v3.25.2
Joint Ventures (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 30, 2023
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Sep. 28, 2024
Schedule of Equity Method Investments [Line Items]            
Equity in net income of consolidated affiliates   $ 0 $ 2,800,000      
Equity in net (loss) income of non-consolidated affiliates   (404,000) $ 2,767,000 $ 2,975,000 $ 6,671,000  
Equity investment in affiliates   $ 35,913,000   35,913,000   $ 32,089,000
Equity investment in affiliates (Note 12)       $ 850,000 0  
Micro Bird Holdings Inc.            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment (as a percent)   50.00%   50.00%    
Equity in net (loss) income of non-consolidated affiliates       $ 4,100,000 6,700,000  
Equity investment in affiliates   $ 28,500,000   $ 28,500,000   24,400,000
Clean Bus Solutions (CBS)            
Schedule of Equity Method Investments [Line Items]            
Equity interest in equity method investment (as a percent)   50.00%   50.00%    
Equity in net (loss) income of non-consolidated affiliates   $ (400,000)   $ (1,100,000) 0  
Dividends       0 0  
Equity investment in affiliates   7,400,000   7,400,000   $ 7,700,000
Fair value of warrants         $ 7,400,000  
Equity investment in affiliates (Note 12)   400,000   $ 900,000    
Related party            
Schedule of Equity Method Investments [Line Items]            
Dividends $ 3,000,000 $ 0