SEGMENT INFORMATION - Schedule of Revenue, Capital Assets and Goodwill, by Country (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016	Oct. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 483.4	$ 468.6	$ 940.8	$ 874.5
Capital Assets	1,169.3	945.8	1,169.3	945.8	$ 983.6
Goodwill	281.4	282.1	281.4	282.1	$ 281.6
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4.2	5.1	11.2	12.4
Capital Assets	100.1	100.8	100.1	100.8
Goodwill	2.5	2.8	2.5	2.8
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	282.8	317.6	564.7	589.4
Capital Assets	687.6	487.3	687.6	487.3
Goodwill	269.4	269.4	269.4	269.4
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	167.9	124.8	320.7	236.7
Capital Assets	367.5	341.6	367.5	341.6
Goodwill	7.4	7.7	7.4	7.7
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	28.5	21.1	44.2	36.0
Capital Assets	14.1	16.1	14.1	16.1
Goodwill	$ 2.1	$ 2.2	$ 2.1	$ 2.2