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Income Taxes - Reconciliation of U.S. Statutory Tax Rate to Effective Income Tax Rate (Details) | 12 Months Ended
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Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Income Tax Disclosure [Abstract] |  |  |
U.S. statutory rate | 21.00% | 21.00% | 23.30%
State and local income taxes, net of federal tax benefit | (0.60%) | 5.90% | 6.90%
Federal and state tax credits | (4.70%) | (3.90%) | (7.80%)
Impact of foreign operations | 1.30% | (1.00%) | 1.30%
Changes in uncertain tax positions | (2.00%) | (0.80%) | (6.70%)
Incremental tax benefit from share-based compensation awards | (1.60%) | (0.70%) | (3.90%)
Energy efficiency incentives | (3.80%) | 0.00% | (3.20%)
Impact from goodwill impairment | 81.70% | 0.00% | 4.40%
Transition tax on foreign earnings | 0.00% | (1.10%) | 5.10%
Remeasurement of U.S. deferred taxes | 0.00% | (0.30%) | (31.50%)
Nondeductible expenses | 4.40% | 2.10% | 2.40%
Other, net | 3.90% | (0.80%) | 0.30%
Effective tax rate | 99.60% | 20.40% | (9.40%)

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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