Employee Benefit Plans - Deferred Compensation Plans (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Deferred Compensation Plans
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Total liability of deferred compensation		$ 19.5	$ 20.0
Compensation expense		0.5	0.5	$ 0.4
Rabbi Trust
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Fair value deferred compensation plan assets	[1]	$ 5.3	$ 5.4

[1] Represents investments held in a Rabbi trust associated with one of our deferred compensation plans, which we include in “Other noncurrent assets” on the accompanying consolidated balance sheets. The fair value of the assets held in the funded deferred compensation plan is based on quoted market prices. See Note 14, “Employee Benefit Plans,” for further information.