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Employee Benefit and Retirement Plans (Tables) | 9 Months Ended
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Aug. 31, 2019
Retirement Benefits [Abstract] |
Schedule of defined benefit plans disclosures | The following table presents the components of our pension (income) expense of the defined benefit plans for the three months ended August 31, 2019 and 2018 (in millions):
| United States |  | International
| 2019 |  | 2018 |  | 2019 |  | 2018
Defined benefit plans |  |  |  |  |  |  |
Service cost | $ | 0.5 |  |  | $ | 4.4 |  |  | $ | 0.9 |  |  | $ | 1.0 |
Interest costs | 8.6 |  |  | 8.0 |  |  | 2.3 |  |  | 2.2 |
Expected return on plan assets | (10.6 | ) |  | (10.8 | ) |  | (4.0 | ) |  | (4.0 | )
Amortization of prior service costs | 0.1 |  |  | — |  |  | — |  |  | — |
Amortization of net actuarial losses | 0.6 |  |  | 2.4 |  |  | 0.3 |  |  | 0.7 |
Total pension (income) expense | $ | (0.8 | ) |  | $ | 4.0 |  |  | $ | (0.5 | ) |  | $ | (0.1 | )
The following table presents the components of our pension (income) expense of the defined benefit plans for the nine months ended August 31, 2019 and 2018 (in millions):
| United States |  | International
| 2019 |  | 2018 |  | 2019 |  | 2018
Defined benefit plans |  |  |  |  |  |  |
Service cost | $ | 1.5 |  |  | $ | 13.1 |  |  | $ | 2.7 |  |  | $ | 3.2 |
Interest costs | 25.8 |  |  | 23.8 |  |  | 7.1 |  |  | 6.9 |
Expected return on plan assets | (31.8 | ) |  | (32.4 | ) |  | (12.3 | ) |  | (12.4 | )
Amortization of prior service costs | 0.3 |  |  | — |  |  | 0.1 |  |  | 0.5 |
Amortization of net actuarial losses | 1.8 |  |  | 7.4 |  |  | 0.9 |  |  | 2.1 |
Total pension (income) expense | $ | (2.4 | ) |  | $ | 11.9 |  |  | $ | (1.5 | ) |  | $ | 0.3 |
Schedule of costs of retirement plans | The following table presents the components of our other postretirement benefits (income) expense (in millions):
|  | Three months ended August 31, |  | Nine months ended August 31,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Other postretirement benefits |  |  |  |  |  |  |  |
Service cost |  | $ | 0.5 |  |  | $ | 0.6 |  |  | $ | 1.5 |  |  | $ | 1.8 |
Interest costs |  | 0.7 |  |  | 0.6 |  |  | 2.0 |  |  | 1.8 |
Amortization of prior service credits |  | (2.2 | ) |  | (2.2 | ) |  | (6.5 | ) |  | (6.5 | )
Amortization of net actuarial gains |  | (0.1 | ) |  | — |  |  | (0.5 | ) |  | — |
Total other postretirement benefits (income) expense |  | $ | (1.1 | ) |  | $ | (1.0 | ) |  | $ | (3.5 | ) |  | $ | (2.9 | )

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920 + Details
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