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Retirement Plans and Postretirement Health Care and Life Insurance Benefits (Tables) | 6 Months Ended
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Apr. 30, 2013
Compensation And Retirement Disclosure [Abstract] |
Components of Net Periodic Pension Cost | The components of net periodic pension cost include the following (Dollars in millions):
|  | Three months ended |  |  | Six months ended |
|  | April 30, |  |  | April 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | 4.2 |  |  | $ | 3.4 |  |  | $ | 8.4 |  |  | $ | 6.8 |
Interest cost |  |  | 6.9 |  |  |  | 7.4 |  |  |  | 13.8 |  |  |  | 14.8 |
Expected return on plan assets |  |  | (8.1 | ) |  |  | (8.5 | ) |  |  | (16.2 | ) |  |  | (17.0 | )
Amortization of prior service cost, initial net asset and net actuarial gain |  |  | 4.2 |  |  |  | 3.2 |  |  |  | 8.4 |  |  |  | 6.4 |
Net periodic pension costs |  | $ | 7.2 |  |  | $ | 5.5 |  |  | $ | 14.4 |  |  | $ | 11.0 |
Components of Net Periodic Cost for Postretirement Benefits | The components of net periodic cost for postretirement benefits include the following (Dollars in millions):
|  | Three months ended |  |  | Six months ended |
|  | April 30, |  |  | April 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 0.2 |  |  |  | 0.3 |  |  |  | 0.4 |  |  |  | 0.6 |
Amortization of prior service cost and recognized actuarial gain |  |  | (0.4 | ) |  |  | (0.4 | ) |  |  | (0.8 | ) |  |  | (0.8 | )
Net periodic cost for postretirement benefits |  | $ | (0.2 | ) |  | $ | (0.1 | ) |  | $ | (0.4 | ) |  | $ | (0.2 | )

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- Definition Components of net periodic pension. + References No definition available. + Details
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- 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=21915506&loc=d3e1928-114920 + Details
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