Commitments and Contingencies - Future Minimum Lease Commitments (Detail) $ in Millions	Oct. 31, 2015 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
October 31, 2016	$ 77.1	[1],[2]
October 31, 2017	55.8	[1],[2]
October 31, 2018	43.9	[1],[2]
October 31, 2019	27.9	[1],[2]
October 31, 2020	16.3	[1],[2]
Thereafter	36.3	[1],[2]
Total minimum lease commitments	257.3	[1],[2]
Capital Lease Commitments
October 31, 2016	1.2
October 31, 2017	0.0
October 31, 2018	0.0
October 31, 2019	0.0
October 31, 2020	0.0
Thereafter	0.0
Total minimum lease commitments	1.2	[1]
Parking
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Total minimum lease commitments	$ 139.6	[1],[2]

[1] Of the total future minimum operating lease commitments, $139.6 million relates to our Parking segment.

[2] Sublease rental income was immaterial for all periods presented and is expected to be immaterial in the future