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The Company and Nature of Operations	9 Months Ended
The Company and Nature of Operations	Jul. 31, 2014
Accounting Policies [Abstract]
The Company and Nature of Operations	THE COMPANY AND NATURE OF OPERATIONS ABM Industries Incorporated, together with its consolidated subsidiaries (hereinafter collectively referred to as “ABM,” “we,” “us,” “our,” or the “Company”), is a leading provider of end-to-end integrated facility solutions to thousands of commercial, industrial, institutional, retail, residential, and governmental facilities located primarily throughout the United States. Our comprehensive capabilities include expansive facility solutions, energy solutions, commercial cleaning, maintenance and repair, HVAC, electrical, landscaping, parking, and security services, provided through stand-alone or integrated solutions. The Company was reincorporated in Delaware on March 19, 1985, as the successor to a business founded in California in 1909.