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Accrued Liabilities - Schedule of Accrued Liabilities (Parenthetical) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2022 | Apr. 30, 2021 | Apr. 30, 2022 | Apr. 30, 2021 | Dec. 23, 2021 | Oct. 31, 2021
Schedule Of Accrued Liabilities [Line Items] |  |  |  |  |  |
Product warranty accrual, payment and adjustments | $ 200 | $ 6 | $ 200 | $ 12 |  |
Loss reserve on service agreements | 6,200 |  | 6,200 |  |  | $ 6,500
Contractual Obligation | 2,400 |  | 2,400 |  |  | 2,200
POSCO Energy Settlement Agreement |  |  |  |  |  |
Schedule Of Accrued Liabilities [Line Items] |  |  |  |  |  |
Increase in legal accrual |  |  | 5,000 |  |  |
Payments for contractual obligation |  |  | 19,000 |  |  |
Contractual Obligation | 24,000 |  | 24,000 |  | $ 24,000 |
Bridgeport Fuel Cell Project |  |  |  |  |  |
Schedule Of Accrued Liabilities [Line Items] |  |  |  |  |  |
Reserve for performance guarantees | $ 2,600 |  | $ 2,600 |  |  | $ 2,500

X
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- Definition Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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