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Retirement Plans and Postretirement Health Care and Life Insurance Benefits | 9 Months Ended
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Jul. 31, 2013
Compensation And Retirement Disclosure [Abstract] |
Retirement Plans and Postretirement Health Care and Life Insurance Benefits | NOTE 13 — RETIREMENT PLANS AND POSTRETIREMENT HEALTH CARE AND LIFE INSURANCE BENEFITS The components of net periodic pension cost include the following (Dollars in millions):
|  | Three months ended |  |  | Nine months ended |
|  | July 31, |  |  | July 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | 4.2 |  |  | $ | 3.4 |  |  | $ | 12.6 |  |  | $ | 10.2 |
Interest cost |  |  | 6.9 |  |  |  | 7.4 |  |  |  | 20.7 |  |  |  | 22.2 |
Expected return on plan assets |  |  | (8.1 | ) |  |  | (8.5 | ) |  |  | (24.3 | ) |  |  | (25.5 | )
Amortization of prior service cost, initial net asset and net actuarial gain |  |  | 4.2 |  |  |  | 3.2 |  |  |  | 12.6 |  |  |  | 9.6 |
Net periodic pension costs |  | $ | 7.2 |  |  | $ | 5.5 |  |  | $ | 21.6 |  |  | $ | 16.5 |
The Company made $10.1 million in pension contributions in the nine months ended July 31, 2013. The Company estimates $13.1 million of pension contributions for the twelve months ended October 31, 2013. The components of net periodic cost for postretirement benefits include the following (Dollars in millions):
|  | Three months ended |  |  | Nine months ended |
|  | July 31, |  |  | July 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest cost |  |  | 0.2 |  |  |  | 0.3 |  |  |  | 0.6 |  |  |  | 0.9 |
Amortization of prior service cost and recognized actuarial gain |  |  | (0.4 | ) |  |  | (0.4 | ) |  |  | (1.2 | ) |  |  | (1.2 | )
Net periodic cost for postretirement benefits |  | $ | (0.2 | ) |  | $ | (0.1 | ) |  | $ | (0.6 | ) |  | $ | (0.3 | )

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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 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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