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Pension and Other Postretirement Plans | 3 Months Ended
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Jan. 31, 2019
Compensation And Retirement Disclosure [Abstract] |
Pension and Other Postretirement Plans |
7. | Pension and other postretirement plans
The components of net periodic pension cost for the three months ended January 31, 2019 and 2018 were:
|  | U.S. |  |  | International |
Three Months Ended |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Service cost |  | $ | 3,578 |  |  | $ | 3,682 |  |  | $ | 484 |  |  | $ | 497 |
Interest cost |  |  | 4,498 |  |  |  | 3,639 |  |  |  | 421 |  |  |  | 423 |
Expected return on plan assets |  |  | (5,804 | ) |  |  | (5,491 | ) |  |  | (400 | ) |  |  | (380 | )
Amortization of prior service credit |  |  | (15 | ) |  |  | (8 | ) |  |  | (76 | ) |  |  | (80 | )
Amortization of net actuarial loss |  |  | 1,544 |  |  |  | 2,156 |  |  |  | 428 |  |  |  | 529 |
Total benefit cost |  | $ | 3,801 |  |  | $ | 3,978 |  |  | $ | 857 |  |  | $ | 989 |
The components of other postretirement benefit cost for the three months ended January 31, 2019 and 2018 were:
|  | U.S. |  |  | International |
Three Months Ended |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Service cost |  | $ | 165 |  |  | $ | 212 |  |  | $ | 4 |  |  | $ | 5 |
Interest cost |  |  | 749 |  |  |  | 637 |  |  |  | 5 |  |  |  | 5 |
Amortization of prior service credit |  |  | (6 | ) |  |  | (25 | ) |  |  | — |  |  |  | — |
Amortization of net actuarial (gain) loss |  |  | 152 |  |  |  | 249 |  |  |  | (7 | ) |  |  | (5 | )
Total benefit cost |  | $ | 1,060 |  |  | $ | 1,073 |  |  | $ | 2 |  |  | $ | 5 |
The components of net periodic pension cost other than service cost are included in Other – net in our Consolidated Statements of Income.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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