XML 25 R7.htm IDEA: XBRL DOCUMENT

The Company and Nature of Operations	12 Months Ended
The Company and Nature of Operations	Oct. 31, 2016
Accounting Policies [Abstract]
The Company and Nature of Operations	THE COMPANY AND NATURE OF OPERATIONS ABM Industries Incorporated, which operates through its subsidiaries (collectively referred to as “ABM,” “we,” “us,” “our,” or the “Company”), is a leading provider of integrated facility solutions, customized by industry, that enable our clients to deliver exceptional facilities experiences. Our mission is to take care of the people, places, and spaces that matter to our clients. ABM’s comprehensive services include electrical and lighting, energy solutions, facilities engineering, HVAC and mechanical, janitorial, landscape and turf, mission critical solutions, and parking, which we provide through stand-alone or integrated solutions. We serve urban, suburban, and rural areas and properties of all sizes—from schools and commercial buildings to airports, data centers, hospitals, and manufacturing plants.