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Employee Benefits (Tables) | 6 Months Ended
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Apr. 30, 2016
General Discussion of Pension and Other Postretirement Benefits [Abstract] |
Schedule of Components of Net Periodic Pension Costs | Our results of operations for the three and six months ended April 30, 2016 and 2015 reflect the following components of net periodic pension costs:
Periods Ended April 30, | Three Months |  | Six Months
(In millions) | 2016 |  | 2015 |  | 2016 |  | 2015
Service cost | $ | 2.3 |  |  | $ | 2.0 |  |  | $ | 4.6 |  |  | $ | 4.1 |
Interest cost | 1.2 |  |  | 1.1 |  |  | 2.5 |  |  | 2.1 |
Expected return on plan assets | (1.6 | ) |  | (1.5 | ) |  | (3.3 | ) |  | (3.0 | )
Amortization of prior service cost | — |  |  | — |  |  | — |  |  | — |
Recognized net actuarial loss | 0.4 |  |  | 0.2 |  |  | 0.8 |  |  | 0.5 |
Net periodic pension cost | $ | 2.3 |  |  | $ | 1.8 |  |  | $ | 4.6 |  |  | $ | 3.7 |

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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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