Segment and Geographic Information - Summary of Reportable Operating Segments (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Segment Reporting Information [Line Items]
Assets		$ 2,281.2	$ 2,130.7
Assets held for sale		44.1	0.0	$ 0.0
Depreciation and Amortization	[1]	57.5	57.0	56.4
Capital Expenditures		44.0	26.5	37.4
Janitorial
Segment Reporting Information [Line Items]
Depreciation and Amortization	[1]	17.5	17.6	17.9
Capital Expenditures		13.0	12.9	13.2
Facility Services
Segment Reporting Information [Line Items]
Depreciation and Amortization	[1]	3.2	3.6	3.9
Capital Expenditures		0.2	0.2	0.1
Parking
Segment Reporting Information [Line Items]
Depreciation and Amortization	[1]	3.4	3.1	2.9
Capital Expenditures		3.9	3.4	2.2
Building & Energy Solutions
Segment Reporting Information [Line Items]
Depreciation and Amortization	[1]	15.6	12.4	11.4
Capital Expenditures		3.3	1.7	3.1
Other
Segment Reporting Information [Line Items]
Depreciation and Amortization	[1]	9.5	10.8	11.9
Capital Expenditures		8.5	3.8	5.1
Corporate segment
Segment Reporting Information [Line Items]
Depreciation and Amortization	[1]	8.2	9.5	8.4
Capital Expenditures		15.2	4.5	13.7
Continuing Operations
Segment Reporting Information [Line Items]
Assets		2,281.2	2,130.7	2,060.5
Continuing Operations | Janitorial
Segment Reporting Information [Line Items]
Assets		982.9	958.9	952.8
Continuing Operations | Facility Services
Segment Reporting Information [Line Items]
Assets		202.5	196.3	198.8
Continuing Operations | Parking
Segment Reporting Information [Line Items]
Assets		160.1	149.1	140.6
Continuing Operations | Building & Energy Solutions
Segment Reporting Information [Line Items]
Assets		401.3	383.0	332.0
Continuing Operations | Other
Segment Reporting Information [Line Items]
Assets		267.4	233.6	224.4
Continuing Operations | Corporate segment
Segment Reporting Information [Line Items]
Assets		$ 222.9	$ 209.8	$ 211.9

[1] Excludes amortization related to income from unconsolidated affiliates.