Rendering

Component: (Network and Table)
Network
193 - Disclosure - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail)
(http://www.abm.com/taxonomy/role/DisclosureReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefits)
TableIncome Tax Contingency [Table]
Slicers (applies to each fact value in each table cell)
Income Tax Contingency [Line Items]Period [Axis]
2011-11-01 - 2012-10-31
2010-11-01 - 2011-10-31
Beginning balance
95,956,000  
101,681,000  
Additions for tax positions related to the current year
590,000  
760,000  
Additions for tax positions related to prior years
865,000  
 
Reductions for tax positions related to prior years
(7,328,000) 
(5,743,000) 
Reductions for expiration of statue of limitations
(66,000) 
(356,000) 
Settlements
(1,569,000) 
(386,000) 
Ending Balance
88,448,000  
 
95,956,000