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Pension and Other Postretirement Plans (Tables) | 3 Months Ended
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Jan. 31, 2017
Pension Cost [Member] |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |
Components of Net Periodic Benefits Cost | The components of net periodic pension cost for the three months ended January 31, 2017 and January 31, 2016 were:
|  | U.S. |  |  | International |
Three Months Ended |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 3,058 |  |  | $ | 2,761 |  |  | $ | 534 |  |  | $ | 701 |
Interest cost |  |  | 3,211 |  |  |  | 3,934 |  |  |  | 348 |  |  |  | 613 |
Expected return on plan assets |  |  | (5,177 | ) |  |  | (4,919 | ) |  |  | (285 | ) |  |  | (387 | )
Amortization of prior service cost (credit) |  |  | 12 |  |  |  | 19 |  |  |  | (70 | ) |  |  | (22 | )
Amortization of net actuarial loss |  |  | 2,327 |  |  |  | 1,926 |  |  |  | 599 |  |  |  | 465 |
Total benefit cost |  | $ | 3,431 |  |  | $ | 3,721 |  |  | $ | 1,126 |  |  | $ | 1,370 |
Postretirement Benefit Costs [Member] |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |
Components of Net Periodic Benefits Cost | The components of other postretirement benefit cost for the three months ended January 31, 2017 and January 31, 2016 were:
|  | U.S. |  |  | International |
Three Months Ended |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 221 |  |  | $ | 248 |  |  | $ | 5 |  |  | $ | 4 |
Interest cost |  |  | 587 |  |  |  | 765 |  |  |  | 5 |  |  |  | 6 |
Amortization of prior service credit |  |  | (41 | ) |  |  | (66 | ) |  |  | — |  |  |  | — |
Amortization of net actuarial (gain) loss |  |  | 229 |  |  |  | 212 |  |  |  | (4 | ) |  |  | (6 | )
Total benefit cost |  | $ | 996 |  |  | $ | 1,159 |  |  | $ | 6 |  |  | $ | 4 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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