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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended
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Jan. 31, 2021 | Jan. 31, 2020
Statement of Other Comprehensive Income [Abstract] |  |
Minimum pension liability adjustment, tax | $ 51 | $ 50

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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e640-108580 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration