v3.25.2
Pension Plans and Other Postretirement Benefits - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Sep. 28, 2024
Components of net periodic benefit costs included in operating expenses [Abstract]          
Contribution to defined pension benefit plan     $ 3,000 $ 3,000  
Settlement threshold amount $ 2,586 $ 3,218      
Pension settlement charge 450 550 450 550  
Pension settlement charge (450) (550) (450) (550)  
Estimated obligation due to full withdrawal multi employer pension plans 18,928   18,928   $ 20,026
Pension Plans Defined Benefit [Member]          
Components of net periodic benefit costs included in operating expenses [Abstract]          
Defined benefit plan expected future benefit payments 4,000   4,000    
Pension settlement charge 450 $ 550 450 $ 550  
Pension Plans Defined Benefit [Member] | Other Nonoperating Income (Expense) [Member]          
Components of net periodic benefit costs included in operating expenses [Abstract]          
Contribution to defined pension benefit plan     3,000    
Post Retirement Benefits [Member]          
Components of net periodic benefit costs included in operating expenses [Abstract]          
Defined benefit plan expected future benefit payments $ 342   342    
Post Retirement Benefits [Member] | Other Nonoperating Income (Expense) [Member]          
Components of net periodic benefit costs included in operating expenses [Abstract]          
Employer contribution for postretirement health care and life insurance     $ 219