XML 52 R34.htm IDEA: XBRL DOCUMENT v2.4.1.9
Line of Credit - Additional Information (Detail) (USD $)
0 Months Ended 6 Months Ended
Nov. 30, 2010
Apr. 30, 2015
Oct. 31, 2014
Oct. 31, 2013
Line of Credit Facility        
Credit agreement term 5 years      
Syndicated line of credit, increased capacity   $ 800,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity    
Line of credit, maximum borrowing capacity   1,000,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity    
Debt covenant leverage ratio   3.25abm_DebtInstrumentCovenantTotalLeverageRatio    
Minimum fixed charge coverage ratio   1.50abm_DebtInstrumentCovenantFixedChargeCoverageRatioMinimum    
Consolidated net worth   570,000,000.0abm_DebtCovenantMinimumAdjustedTangibleNetWorth    
Consolidated net income earned   50.00%abm_PercentageOfConsolidatedNetIncome    
Aggregate increases in stockholders' equity   100.00%abm_PercentageOfCapitalSurplus    
Covenants maximum leverage ratio   3.50abm_DebtInstrumentCovenantTotalLeverageRatioMaximum    
Credit facility, amount outstanding, cash borrowings   307,000,000us-gaap_LineOfCredit 319,800,000us-gaap_LineOfCredit  
Line of credit, borrowing capacity currently available   376,900,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity 365,300,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity  
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, effect gross   200,000abm_AmountRecognizedInAccumulatedOtherComprehensiveIncomeLossfromCashFlowHedgesEffectGross 200,000abm_AmountRecognizedInAccumulatedOtherComprehensiveIncomeLossfromCashFlowHedgesEffectGross  
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, effect net of tax   100,000abm_AmountRecognizedInAccumulatedOtherComprehensiveIncomeLossfromCashFlowHedgesEffectNetOfTax 100,000abm_AmountRecognizedInAccumulatedOtherComprehensiveIncomeLossfromCashFlowHedgesEffectNetOfTax  
Unrealized net loss related to the interest rate swap contract   (200,000)us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet    
Interest Rate Swap Agreements        
Line of Credit Facility        
Notional amount       155,000,000invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= abm_InterestRateSwapAgreementsMember
Standby Letters of Credit        
Line of Credit Facility        
Line of credit, maximum borrowing capacity   300,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_StandbyLettersOfCreditMember
   
Standby letters of credit   116,100,000us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_StandbyLettersOfCreditMember
114,900,000us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_StandbyLettersOfCreditMember
 
Swing Line Loan        
Line of Credit Facility        
Line of credit, maximum borrowing capacity   $ 50,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= abm_SwingLineLoanMember
   
Minimum        
Line of Credit Facility        
Percentage of commitment fee on the unused portion of the Facility   0.20%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Minimum | Interest Rate Swap Agreements        
Line of Credit Facility        
Derivative, fixed interest rate       0.44%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= abm_InterestRateSwapAgreementsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum        
Line of Credit Facility        
Percentage of commitment fee on the unused portion of the Facility   0.275%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Maximum | Interest Rate Swap Agreements        
Line of Credit Facility        
Derivative, fixed interest rate       0.47%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= abm_InterestRateSwapAgreementsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Base Rate | Minimum        
Line of Credit Facility        
Variable rate   0.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember
   
Base Rate | Maximum        
Line of Credit Facility        
Variable rate   0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember
   
Eurodollar        
Line of Credit Facility        
Variable rate   1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
   
Eurodollar | Minimum        
Line of Credit Facility        
Variable rate   1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
   
Eurodollar | Maximum        
Line of Credit Facility        
Variable rate   1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
   
Federal Funds Rate        
Line of Credit Facility        
Variable rate   0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_VariableRateAxis
= abm_FederalFundsRateMember