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191 - Disclosure - Tax Effects of Temporary Differences that Give Rise to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail)
(http://www.abm.com/taxonomy/role/DisclosureTaxEffectsOfTemporaryDifferencesThatGiveRiseToSignificantPortionsOfDeferredTaxAssetsAndDeferredTaxLiabilities)
TableSchedule of Deferred Income Tax Assets and Liabilities [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000771497 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Schedule of Deferred Income Tax Assets and Liabilities [Line Items]Period [Axis]
2012-10-31
2011-10-31
2010-10-31
2009-10-31
Deferred tax assets:
 
 
 
 
Self-insurance claims (net of recoverables)
109,516,000  
103,125,000  
 
 
Deferred and other compensation
30,221,000  
28,897,000  
 
 
Accounts receivable allowances
3,967,000  
3,822,000  
 
 
Settlement liabilities
3,288,000  
1,999,000  
 
 
State taxes
727,000  
908,000  
 
 
Federal net operating loss carryforwards
 
15,485,000  
 
 
State net operating loss carryforwards
8,596,000  
8,348,000  
 
 
Tax credits
7,802,000  
6,480,000  
 
 
Other
7,758,000  
8,220,000  
 
 
Deferred Tax Assets, Gross, Total
171,875,000  
 
177,284,000  
 
 
 
 
 
Less: Valuation allowance
6,026,000  
5,784,000  
6,290,000  
6,147,000  
Total deferred tax assets
165,849,000  
 
171,500,000  
 
 
 
 
 
Deferred tax liabilities:
 
 
 
 
Property, plant and equipment
(2,767,000) 
(8,579,000) 
 
 
Goodwill and other acquired intangibles
(101,801,000) 
(91,408,000) 
 
 
Total deferred tax liabilities
(104,568,000) 
 
(99,987,000) 
 
 
 
 
 
Net deferred tax assets
61,281,000  
 
71,513,000