v3.26.3
Retirement Benefits (Tables)
9 Months Ended
Sep. 25, 2026
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Components of Net Periodic Benefit Cost
The components of net periodic benefit cost for retirement benefit plans were as follows (in thousands):
Three Months EndedNine Months Ended
September 25,
2026
September 26,
2025
September 25,
2026
September 26,
2025
Pension Benefits
Service cost
$726 $1,162 $3,058 $3,454 
Interest cost
1,910 2,375 7,205 7,086 
Expected return on assets
(3,419)(2,917)(9,967)(8,724)
Amortization and other
(82)(218)(234)148 
Net periodic benefit (credit) cost$(865)$402 $62 $1,964 
Postretirement Medical
Service cost
$60 $76 $210 $229 
Interest cost
323 285 773 854 
Amortization
(395)(68)(395)(204)
Net periodic benefit (credit) cost$(12)$293 $588 $879