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Post Retirement Benefit Plans - Benefit Obligations in Excess of Plan Assets (Detail) - USD ($) $ in Millions | Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2016
--- | --- | --- | ---
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Plan assets | $ 594.8 | $ 568.6 | $ 626.3
United States |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Plan assets | 311.9 | 268.6 | 332.5
Foreign Plan | Germany |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Plan assets | 0.0 | 0.0 | 0.0
Foreign Plan | United Kingdom |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Plan assets | 178.7 | 188.9 | 185.1
Foreign Plan | Netherlands |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Plan assets | 90.6 | 97.5 | 96.1
Foreign Plan | Other International |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Plan assets | 13.6 | 13.6 | 12.6
Pension Plan |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Projected benefit obligation | 662.4 | 717.8 | 783.8
Accumulated benefit obligation | 638.9 | 686.8 |
Plan assets | 594.8 | 568.6 |
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation | 171.1 | 522.9 |
Plans with accumulated benefit obligations in excess of plan assets, Plan assets | 94.7 | 379.7 |
Pension Plan | United States |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Projected benefit obligation | 351.9 | 387.6 | 470.2
Accumulated benefit obligation | 330.4 | 362.0 |
Plan assets | 311.9 | 268.6 |
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation | 28.8 | 362.0 |
Plans with accumulated benefit obligations in excess of plan assets, Plan assets | 0.0 | 268.6 |
Pension Plan | Foreign Plan | Germany |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Projected benefit obligation | 38.1 | 39.9 | 41.8
Accumulated benefit obligation | 37.2 | 38.1 |
Plan assets | 0.0 | 0.0 |
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation | 37.2 | 38.1 |
Plans with accumulated benefit obligations in excess of plan assets, Plan assets | 0.0 | 0.0 |
Pension Plan | Foreign Plan | United Kingdom |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Projected benefit obligation | 176.3 | 186.9 | 171.4
Accumulated benefit obligation | 176.3 | 186.9 |
Plan assets | 178.7 | 188.9 |
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation | 104.6 | 111.3 |
Plans with accumulated benefit obligations in excess of plan assets, Plan assets | 94.2 | 100.3 |
Pension Plan | Foreign Plan | Netherlands |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Projected benefit obligation | 85.4 | 91.8 | 90.1
Accumulated benefit obligation | 84.3 | 88.3 |
Plan assets | 90.6 | 97.5 |
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation | 0.0 | 0.0 |
Plans with accumulated benefit obligations in excess of plan assets, Plan assets | 0.0 | 0.0 |
Pension Plan | Foreign Plan | Other International |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Projected benefit obligation | 10.7 | 11.6 | $ 10.3
Accumulated benefit obligation | 10.7 | 11.5 |
Plan assets | 13.6 | 13.6 |
Plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation | 0.5 | 11.5 |
Plans with accumulated benefit obligations in excess of plan assets, Plan assets | $ 0.5 | $ 10.8 |

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + 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 (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 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=108410482&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 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: 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=112275985&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 6: 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=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920 + Details
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