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v3.20.1

Restructuring and Related Costs - Restructuring and Related Liabilities (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2020 | Apr. 30, 2019 | Apr. 30, 2020 | Apr. 30, 2019
Restructuring Reserve [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | $ 7.0 |
Costs Recognized | $ 1.8 | $ 2.7 | 5.0 | $ 6.5
Payments |  |  | (6.0) |
Non-Cash Items |  |  | (2.7) |
Balance, end of period | 3.2 |  | 3.2 |
Employee severance |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | 3.0 |
Costs Recognized |  |  | 0.2 |
Payments |  |  | (1.5) |
Non-Cash Items |  |  | 0.0 |
Balance, end of period | 1.7 |  | 1.7 |
External support fees |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | 0.5 |
Costs Recognized |  |  | 1.4 |
Payments |  |  | (0.5) |
Non-Cash Items |  |  | 0.0 |
Balance, end of period | 1.5 |  | 1.5 |
Other project fees |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | 0.7 |
Costs Recognized |  |  | 3.3 |
Payments |  |  | (3.9) |
Non-Cash Items |  |  | (0.2) |
Balance, end of period | 0.0 |  | 0.0 |
Lease exit costs and asset impairment |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | 2.7 |
Costs Recognized |  |  | 0.0 |
Payments |  |  | (0.2) |
Non-Cash Items |  |  | (2.5) |
Balance, end of period | $ 0.0 |  | $ 0.0 |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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