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Pension and Other Postretirement Plans | 6 Months Ended
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Apr. 30, 2015
Compensation And Retirement Disclosure [Abstract] |
Pension and Other Postretirement Plans |
5. | Pension and other postretirement plans
The components of net periodic pension cost for the three and six months ended April 30, 2015 and April 30, 2014 were:
|  | U.S. |  |  | International |
Three Months Ended |  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Service cost |  | $ | 3,031 |  |  | $ | 1,874 |  |  | $ | 692 |  |  | $ | 714 |
Interest cost |  |  | 3,841 |  |  |  | 3,545 |  |  |  | 627 |  |  |  | 817 |
Expected return on plan assets |  |  | (4,578 | ) |  |  | (4,487 | ) |  |  | (395 | ) |  |  | (448 | )
Amortization of prior service cost (credit) |  |  | 30 |  |  |  | 59 |  |  |  | (22 | ) |  |  | (20 | )
Amortization of net actuarial loss |  |  | 2,633 |  |  |  | 1,784 |  |  |  | 485 |  |  |  | 399 |
Total benefit cost |  | $ | 4,957 |  |  | $ | 2,775 |  |  | $ | 1,387 |  |  | $ | 1,462 |
|  | U.S. |  |  | International |
Six Months Ended |  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Service cost |  | $ | 5,431 |  |  | $ | 4,036 |  |  | $ | 1,433 |  |  | $ | 1,412 |
Interest cost |  |  | 7,523 |  |  |  | 6,960 |  |  |  | 1,299 |  |  |  | 1,608 |
Expected return on plan assets |  |  | (9,158 | ) |  |  | (8,648 | ) |  |  | (812 | ) |  |  | (880 | )
Amortization of prior service cost (credit) |  |  | 60 |  |  |  | 118 |  |  |  | (46 | ) |  |  | (39 | )
Amortization of net actuarial loss |  |  | 4,886 |  |  |  | 3,970 |  |  |  | 1,309 |  |  |  | 787 |
Settlement loss |  |  | — |  |  |  | — |  |  |  | 1,275 |  |  |  | — |
Total benefit cost |  | $ | 8,742 |  |  | $ | 6,436 |  |  | $ | 4,458 |  |  | $ | 2,888 |
The components of other postretirement benefit cost for the three and six months ended April 30, 2015 and April 30, 2014 were:
|  | U.S. |  |  | International |
Three Months Ended |  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Service cost |  | $ | 175 |  |  | $ | 265 |  |  | $ | 7 |  |  | $ | 7 |
Interest cost |  |  | 735 |  |  |  | 802 |  |  |  | 9 |  |  |  | 9 |
Amortization of prior service credit |  |  | (109 | ) |  |  | (112 | ) |  |  | — |  |  |  | — |
Amortization of net actuarial loss |  |  | 280 |  |  |  | 419 |  |  |  | — |  |  |  | (3 | )
Total benefit cost |  | $ | 1,081 |  |  | $ | 1,374 |  |  | $ | 16 |  |  | $ | 13 |
|  | U.S. |  |  | International |
Six Months Ended |  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Service cost |  | $ | 450 |  |  | $ | 518 |  |  | $ | 15 |  |  | $ | 14 |
Interest cost |  |  | 1,488 |  |  |  | 1,531 |  |  |  | 18 |  |  |  | 19 |
Amortization of prior service credit |  |  | (219 | ) |  |  | (224 | ) |  |  | — |  |  |  | — |
Amortization of net actuarial loss |  |  | 577 |  |  |  | 717 |  |  |  | — |  |  |  | (7 | )
Total benefit cost |  | $ | 2,296 |  |  | $ | 2,542 |  |  | $ | 33 |  |  | $ | 26 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 + Details
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