v3.25.1
Pension and other postretirement plans (Tables)
 6 Months Ended
Apr. 30, 2025
Retirement Benefits [Abstract]  
Components of Net Periodic Benefits Cost
The components of net periodic pension and other postretirement cost for the three and six months ended April 30, 2025 and 2024 were:
 U.S.International
Three Months Ended2025202420252024
Service cost$2,531 $2,507 $239 $234 
Interest cost4,691 4,752 639 685 
Expected return on plan assets(6,609)(6,652)(651)(416)
Amortization of prior service credit— — (2)(2)
Amortization of net actuarial (gain) loss474 — (68)8 
Total benefit cost$1,087 $607 $157 $509 
 U.S.International
Six Months Ended2025202420252024
Service cost$5,062 $5,015 $471 $471 
Interest cost9,383 9,505 1,262 1,374 
Expected return on plan assets(13,219)(13,306)(1,289)(833)
Amortization of prior service credit— — (4)(4)
Amortization of net actuarial (gain) loss947 — (136)17 
Total benefit cost$2,173 $1,214 $304 $1,025 
The components of other postretirement benefit costs, for plans in the United States, for the three and six months ended April 30, 2025 and 2024:
 U.S.
Three Months Ended20252024
Service cost$58 $70 
Interest cost643 754 
Amortization of net actuarial gain(124)(147)
Total benefit cost (income)$577 $677 
 U.S.
Six Months Ended20252024
Service cost$117 $141 
Interest cost1,294 1,508 
Amortization of net actuarial gain(250)(295)
Total benefit cost (income)$1,161 $1,354