v3.26.1
Pension and Postretirement Benefit Obligations - Summary of Components of Total Pension Expense (Details) - Pension Plans - Bargaining Plan - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 03, 2026
Jun. 27, 2025
Jul. 03, 2026
Jun. 27, 2025
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 993 $ 973 $ 1,986 $ 1,946
Interest cost 760 653 1,520 1,306
Expected return on plan assets (963) (819) (1,927) (1,639)
Recognized net actuarial gain 0 (9) 0 (18)
Amortization of prior service costs 8 4 17 8
Net periodic postretirement benefit cost $ 798 $ 802 $ 1,596 $ 1,603