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Employee Benefit Plans (Tables)
9 Months Ended
Oct. 01, 2023
Retirement Benefits [Abstract]  
Summary of Components of Net Periodic Benefit Cost/(Income) The components of net periodic benefit cost/(income) include the following:
Three Months EndedNine Months Ended
October 1, 2023October 2, 2022October 1, 2023October 2, 2022
Retirement Plans
Service cost$704 $796 $2,083 $2,459 
Interest cost4,770 2,593 13,462 7,974 
Expected return on plan assets(2,515)(2,527)(7,257)(7,670)
Amortization of prior service cost223 220 669 673 
Amortization of net actuarial loss1,074 1,179 3,221 3,495 
Effect of settlement loss16 — 765 430 
Net periodic benefit cost$4,272 $2,261 $12,943 $7,361 
Retiree Health and Life Insurance Plans
Service cost$57 $80 $172 $241 
Interest cost127 64 383 194 
Expected return on plan assets(78)(110)(235)(332)
Amortization of net actuarial gain(194)(170)(584)(513)
Net periodic benefit income$(88)$(136)$(264)$(410)