Pension Plans and Other Postretirement Benefits - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 24, 2023	Jun. 25, 2022	Jun. 24, 2023	Jun. 25, 2022	Sep. 24, 2022
Components of net periodic benefit costs included in operating expenses [Abstract]
Contribution to defined pension benefit plan			$ 3,000	$ 2,220
Pension settlement charge			0	634
Estimated obligation due to full withdrawal multi employer pension plans	$ 21,675		21,675		$ 22,496
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	0	$ 634	0	$ 634
Pension Plans Defined Benefit [Member] | Other, Net [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	$ 627		627
Post-Retirement Benefits [Member] | Other, Net [Member]
Components of net periodic benefit costs included in operating expenses [Abstract]
Employer contribution for postretirement health care and life insurance			$ 329