ABM INDUSTRIES INC /DE/ | 2012 | FY | 3


Depreciation and amortization is determined for financial reporting purposes by using the straight-line method over the following estimated useful lives:

 

     Years

Computer equipment and software

   3-5

Machinery and other equipment

   3-5

Buildings

   25-40

Furniture and fixtures

   5

Transportation equipment

   1.5-5

abm:ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock