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POST RETIREMENT BENEFIT PLANS | 9 Months Ended
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Jul. 31, 2018
Postemployment Benefits [Abstract] |
POST RETIREMENT BENEFIT PLANS | POST RETIREMENT BENEFIT PLANS The components of net periodic pension cost include the following:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
(in millions) | 2018 |  | 2017 |  | 2018 |  | 2017
Service cost | $ | 3.1 |  |  | $ | 3.5 |  |  | $ | 9.7 |  |  | $ | 10.1 |
Interest cost | 4.7 |  |  | 4.6 |  |  | 13.9 |  |  | 13.8 |
Expected return on plan assets | (6.4 | ) |  | (7.0 | ) |  | (18.6 | ) |  | (21.2 | )
Amortization of prior service cost and net actuarial gain | 3.4 |  |  | 2.6 |  |  | 10.6 |  |  | 8.2 |
Net periodic pension costs | $ | 4.8 |  |  | $ | 3.7 |  |  | $ | 15.6 |  |  | $ | 10.9 |
The Company made $85.4 million and $10.7 million in pension contributions in the nine months ended July 31, 2018 and 2017, respectively. The components of net periodic cost for post-retirement benefits include the following:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
(in millions) | 2018 |  | 2017 |  | 2018 |  | 2017
Interest cost | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.3 |  |  | $ | 0.3 |
Amortization of prior service cost and net actuarial gain | (0.4 | ) |  | (0.5 | ) |  | (1.2 | ) |  | (1.2 | )
Net periodic benefit for post-retirement benefits | $ | (0.3 | ) |  | $ | (0.4 | ) |  | $ | (0.9 | ) |  | $ | (0.9 | )
The components of net periodic pension cost and net periodic cost for post-retirement benefits, other than the service cost components, are included in the line item "Other expense, net" in the condensed consolidated statements of income. During the nine months ended July 31, 2018, the Company made $80.0 million of contributions to its United States defined benefit plan. The contributions exceeded the Company's planned contributions by $65.0 million. As a result of the incremental contributions to the United States defined benefit plan, a valuation of the plan was performed as of June 30, 2018, which resulted in an $11.0 million decrease to accumulated other comprehensive loss. During the nine months ended July 31, 2017, in the United States, an annuity contract for approximately $49.2 million was purchased with defined benefit plan assets, and the pension obligation for certain retirees in the United States under that plan was irrevocably transferred from that plan to the annuity contract. Additionally, lump sum payments totaling $42.4 million were made from the defined benefit plan assets to certain participants who agreed to such payments, representing the current fair value of the participant’s respective pension benefit. The settlement items described above resulted in a decrease in the fair value of plan assets and the projected benefit obligation of $91.6 million and a non-cash pension settlement charge of $25.6 million of unrecognized net actuarial loss included in accumulated other comprehensive loss.

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- Definition The entire disclosure for postemployment benefits, which may include supplemental unemployment benefits, obligations recognized for all types of benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Disclosure may also include discussion that an obligation for postemployment benefits is not accrued in accordance with regulation only because the amount cannot be reasonably estimated. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 + Details
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