Goodwill and Other Intangibles Assets - Other Intangible Assets, Net (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 31, 2016	Oct. 31, 2015
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	$ 260.9	$ 260.8
Accumulated Amortization	[1]	(157.0)	(149.4)
Total	[1]	$ 103.8	111.4
Intangible assets weighted average useful life		13 years
Customer contracts and relationships
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 258.6	255.2
Accumulated Amortization		(155.1)	(144.3)
Total		103.5	110.9
Trademarks and Trade Names [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount		1.8	3.9
Accumulated Amortization		(1.5)	(3.5)
Total		0.2	0.4
Contract rights and other
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount		0.5	1.7
Accumulated Amortization		(0.4)	(1.6)
Total		$ 0.1	$ 0.1

[1] These intangible assets are being amortized over the expected period of benefit, with a weighted average life of approximately 13 years.