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Commitments and Contingencies - Schedule of Contingent Liabilities (Detail) - USD ($) $ in Millions | Jul. 31, 2023 | Oct. 31, 2022
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Commitments and Contingencies Disclosure [Abstract] |  |
Performance, bid and specialty bonds | $ 463.7 | $ 572.3
Open standby letters of credit | 15.1 | 12.3
Total | $ 478.8 | $ 584.6

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- Definition Letters Of Credit And Performance Guarantees + References No definition available. + Details
Name: | revg_LettersOfCreditAndPerformanceGuarantees
Namespace Prefix: | revg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Performance bid and specialty bonds. + References No definition available. + Details
Name: | revg_PerformanceBidAndSpecialtyBonds
Namespace Prefix: | revg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant