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POST RETIREMENT BENEFIT PLANS (Tables) | 6 Months Ended
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Apr. 30, 2020
Postemployment Benefits [Abstract] |
Components of Net Periodic Pension Cost | The components of net periodic pension cost include the following:
| Three Months Ended April 30, |  |  |  | Six Months Ended April 30, |  |
(in millions) | 2020 |  | 2019 |  | 2020 |  | 2019
Service cost | $ | 2.8 |  |  | $ | 3.8 |  |  | $ | 6.0 |  |  | $ | 6.3 |
Interest cost | 5.6 |  |  | 8.7 |  |  | 12.2 |  |  | 13.9 |
Expected return on plan assets | (7.9) |  |  | (6.2) |  |  | (18.2) |  |  | (12.4) |
Amortization of prior service cost (benefit) | 2.9 |  |  | (3.0) |  |  | 6.4 |  |  | (1.2) |
Net periodic pension cost | $ | 3.4 |  |  | $ | 3.3 |  |  | $ | 6.4 |  |  | $ | 6.6 |
Components of Net Periodic Cost for Postretirement Benefits | The components of net periodic post-retirement benefit include the following:
| Three Months Ended April 30, |  |  |  | Six Months Ended April 30, |  |
(in millions) | 2020 |  | 2019 |  | 2020 |  | 2019
Interest cost | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.2 |  |  | $ | 0.2 |
Amortization of prior service benefit | (0.2) |  |  | (0.4) |  |  | (0.3) |  |  | (0.8) |
Net periodic post-retirement benefit | $ | (0.1) |  |  | $ | (0.3) |  |  | $ | (0.1) |  |  | $ | (0.6) |

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- Definition Components of net periodic pension. + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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