XML 71 R60.htm IDEA: XBRL DOCUMENT v3.24.3
Pension and other postretirement benefits - Net benefit cost of pension and postretirement benefit plans (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 29, 2024
Oct. 01, 2023
Sep. 29, 2024
Oct. 01, 2023
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]        
Settlements $ (5,407) $ 0 $ 132,732 $ 0
Pension        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 64 358 727 1,078
Interest cost 279 4,291 2,668 12,985
Expected return on plan assets (132) (6,332) (2,461) (18,957)
Net amortization and deferral 167 2,092 1,685 6,402
Settlements (5,407) 0 132,732 0
Net benefit expense (income) (5,029) 409 135,351 1,508
Other Benefits        
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0 0 0 0
Interest cost 69 245 288 618
Expected return on plan assets 0 0 0 0
Net amortization and deferral (708) (494) (1,998) (1,172)
Settlements 0 0 0 0
Net benefit expense (income) $ (639) $ (249) $ (1,710) $ (554)