XML 55 R36.htm IDEA: XBRL DOCUMENT
v3.25.0.1

REVENUES - Schedule of Contract Asset and Liability (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Jan. 31, 2025 | Oct. 31, 2024
Revenue from Contract with Customer [Abstract] |  |
Billed trade receivables | $ 1,264,600,000 | $ 1,282,900,000
Unbilled trade receivables | 308,100,000 | 124,000,000.0
Costs incurred in excess of amounts billed | 135,500,000 | 162,100,000
Capitalized commissions | 31,100,000 | $ 30,800,000
Capitalized contract price | 4,900,000 |
Amortization of previously capitalized contract costs | 4,500,000 |
Impairment loss recorded on costs capitalized | 0 |
Contract with Customer, Liabilities [Roll Forward] |  |
Contract liabilities, balance at beginning of period | 118,200,000 |
Additional contract liabilities | 95,700,000 |
Recognition of deferred revenue | (69,500,000) |
Contract liabilities, balance at end of period | $ 144,400,000 |

X
- Definition Contract With Customer, Asset, Billed Trade Receivable, Current + References No definition available. + Details
Name: | abm_ContractWithCustomerAssetBilledTradeReceivableCurrent
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract With Customer, Asset, Capitalized Commissions + References No definition available. + Details
Name: | abm_ContractWithCustomerAssetCapitalizedCommissions
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract With Customer, Asset, Costs Incurred In Excess Of Amounts Billed, Current + References No definition available. + Details
Name: | abm_ContractWithCustomerAssetCostsIncurredInExcessOfAmountsBilledCurrent
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract With Customer, Asset, Increase (Decrease) For New Capitalized Costs + References No definition available. + Details
Name: | abm_ContractWithCustomerAssetIncreaseDecreaseForNewCapitalizedCosts
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract With Customer, Asset, Unbilled Trade Receivables, Current + References No definition available. + Details
Name: | abm_ContractWithCustomerAssetUnbilledTradeReceivablesCurrent
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Contract With Customer, Liability, Other, Current + References No definition available. + Details
Name: | abm_ContractWithCustomerLiabilityOtherCurrent
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contract With Customer, Liability, Other, Including New Contract Revenue Recognized + References No definition available. + Details
Name: | abm_ContractWithCustomerLiabilityOtherIncludingNewContractRevenueRecognized
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract With Customer, Liability, Other, Increase (Decrease) For Additional Contract Liabilities + References No definition available. + Details
Name: | abm_ContractWithCustomerLiabilityOtherIncreaseDecreaseForAdditionalContractLiabilities
Namespace Prefix: | abm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract with Customer, Liabilities [Roll Forward] + References No definition available. + Details
Name: | abm_ContractwithCustomerLiabilitiesRollForward
Namespace Prefix: | abm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
Name: | us-gaap_CapitalizedContractCostImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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