Leases - Maturities of Operating and Finance Lease Liabilities Before Adoption of 842 (Details) $ in Millions	Oct. 31, 2019 USD ($)
Operating and Other
Fiscal 2020	$ 42.8
Fiscal 2021	35.5
Fiscal 2022	30.3
Fiscal 2023	25.6
Fiscal 2024	20.5
Thereafter	51.8
Operating and other leases total	206.5
Capital
Fiscal 2020	3.1
Fiscal 2021	2.5
Fiscal 2022	1.3
Fiscal 2023	0.6
Fiscal 2024	0.0
Thereafter	0.0
Total capital leases	7.5
Total
Fiscal 2020	45.9
Fiscal 2021	38.0
Fiscal 2022	31.6
Fiscal 2023	26.2
Fiscal 2024	20.5
Thereafter	51.8
Total(2)	214.0
Sublease rental income	$ 15.8

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