Segment and Geographic Information Segment and Geographic Information - Narrative (Details) $ in Millions	12 Months Ended
	Oct. 31, 2015 USD ($) segment	Oct. 31, 2014 USD ($)	Oct. 31, 2013 USD ($)
Segment Reporting Information [Line Items]
Number of reporting segments | segment	5
Insurance claims	$ 37.4	$ (8.7)	$ 3.9
Operating Segment
Segment Reporting Information [Line Items]
Insurance claims	6.5
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Insurance claims	$ 3.0	$ 35.9