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Post Retirement Benefit Plans - Fair Value of the Pension Plans Investments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019
Change in plan assets: |  |
Fair value of plan assets at beginning of year | $ 1,017.0 |
Fair value of plan assets at end of year | 1,002.1 | $ 1,017.0
Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 1,017.0 | 594.8
Actual return on plan assets | 65.4 | 140.1
Expenses paid | (3.4) | (5.9)
Plan participant contributions | 0.2 | 0.2
Foreign currency impact | 6.4 | (0.7)
Employer contributions | 22.4 | 22.7
Benefits paid out of plan | (105.9) | (57.8)
Acquisitions |  | 323.6
Fair value of plan assets at end of year | 1,002.1 | 1,017.0
United States | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 698.7 | 311.9
Actual return on plan assets | 62.2 | 93.4
Expenses paid | (2.6) | (5.1)
Plan participant contributions | 0.0 | 0.0
Foreign currency impact | 0.0 | 0.0
Employer contributions | 21.0 | 21.0
Benefits paid out of plan | (92.3) | (46.1)
Acquisitions |  | 323.6
Fair value of plan assets at end of year | 687.0 | 698.7
Germany | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 0.0 | 0.0
Actual return on plan assets | 0.0 | 0.0
Expenses paid | 0.0 | 0.0
Plan participant contributions | 0.0 | 0.0
Foreign currency impact | 0.0 | 0.0
Employer contributions | 0.0 | 0.0
Benefits paid out of plan | 0.0 | 0.0
Acquisitions |  | 0.0
Fair value of plan assets at end of year | 0.0 | 0.0
United Kingdom | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 209.8 | 178.7
Actual return on plan assets | 4.6 | 35.2
Expenses paid | (0.9) | (0.7)
Plan participant contributions | 0.0 | 0.0
Foreign currency impact | 1.9 | 1.3
Employer contributions | 2.4 | 1.6
Benefits paid out of plan | (7.8) | (6.3)
Acquisitions |  | 0.0
Fair value of plan assets at end of year | 210.0 | 209.8
Netherlands | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 94.5 | 90.6
Actual return on plan assets | (2.1) | 10.7
Expenses paid | 0.2 | 0.0
Plan participant contributions | 0.2 | 0.2
Foreign currency impact | 5.0 | (2.1)
Employer contributions | (1.0) | 0.0
Benefits paid out of plan | (4.8) | (4.9)
Acquisitions |  | 0.0
Fair value of plan assets at end of year | 92.0 | 94.5
Other International | Pension Plan |  |
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 14.0 | 13.6
Actual return on plan assets | 0.7 | 0.8
Expenses paid | (0.1) | (0.1)
Plan participant contributions | 0.0 | 0.0
Foreign currency impact | (0.5) | 0.1
Employer contributions | 0.0 | 0.1
Benefits paid out of plan | (1.0) | (0.5)
Acquisitions |  | 0.0
Fair value of plan assets at end of year | $ 13.1 | $ 14.0

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 + Details
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- Definition Amount of increase in plan assets of defined benefit plan from business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(6) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(5) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 + Details
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