Goodwill and Other Intangibles Assets - Changes in Carrying Amounts of Goodwill by Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2015		Oct. 31, 2014
Goodwill [Roll Forward]
Beginning Balance	$ 854.7		$ 822.5
Acquisitions	12.7	[1]	32.4
Foreign Currency Translation	0.1		(0.2)
Ending Balance	867.5		854.7
Janitorial
Goodwill [Roll Forward]
Beginning Balance	488.4		473.3
Acquisitions	4.0	[1]	15.3
Foreign Currency Translation	(0.5)		(0.2)
Ending Balance	491.9		488.4
Facility Services
Goodwill [Roll Forward]
Beginning Balance	72.6		72.6
Acquisitions	0.0	[1]	0.0
Foreign Currency Translation	0.0		0.0
Ending Balance	72.6		72.6
Parking
Goodwill [Roll Forward]
Beginning Balance	69.2		69.2
Acquisitions	0.0	[1]	0.0
Foreign Currency Translation	0.0		0.0
Ending Balance	69.2		69.2
Building & Energy Solutions
Goodwill [Roll Forward]
Beginning Balance	137.4		119.7
Acquisitions	8.7	[1]	17.7
Foreign Currency Translation	0.3		0.0
Ending Balance	146.4		137.4
Other
Goodwill [Roll Forward]
Beginning Balance	87.1		87.7
Acquisitions	0.0	[1]	(0.6)
Foreign Currency Translation	0.3		0.0
Ending Balance	$ 87.4		$ 87.1

[1] Goodwill primarily increased due to the acquisition of CTS. See Note 6, “Acquisitions,” for additional information related to this acquisition.