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Pension and other postretirement plans
 6 Months Ended
Apr. 30, 2024
Retirement Benefits [Abstract]  
Pension and other postretirement plans
Pension and other postretirement plans
The components of net periodic pension and other postretirement cost for the three and six months ended April 30, 2024 and 2023 were:
 U.S.International
Three Months Ended2024202320242023
Service cost$2,507 $2,744 $234 $283 
Interest cost4,752 4,176 685 642 
Expected return on plan assets(6,652)(6,529)(416)(383)
Amortization of prior service credit— — (2)(13)
Amortization of net actuarial loss— — 8 21 
Total benefit cost$607 $391 $509 $550 
 U.S.International
Six months ended2024202320242023
Service cost$5,015 $5,488 $471 $558 
Interest cost9,505 8,351 1,374 1,245 
Expected return on plan assets(13,306)(13,058)(833)(760)
Amortization of prior service credit— — (4)(26)
Amortization of net actuarial loss— — 17 41 
Total benefit cost$1,214 $781 $1,025 $1,058 
The components of other postretirement benefit costs for the three and six months ended April 30, 2024 and 2023 were:
 U.S.International
Three Months Ended2024202320242023
Service cost$70 $100 $1 $1 
Interest cost754 766 3 3 
Amortization of net actuarial gain(147)— (14)(15)
Total benefit cost (income)$677 $866 $(10)$(11)
 U.S.International
Six months ended2024202320242023
Service cost$141 $200 $2 $2 
Interest cost1,508 1,531 7 6 
Amortization of net actuarial gain(295)— (29)(31)
Total benefit cost (income)$1,354 $1,731 $(20)$(23)
The components of net periodic pension and other postretirement cost, other than service cost, are included in Other – net in our Condensed Consolidated Statements of Income.