Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value Measurements, Recurring - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 62.8	$ 394.2
Insurance deposits	0.7	0.7
Assets held in funded deferred compensation plan	4.9	2.6
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility	888.8	725.3
Interest rate swaps liabilities	$ 4.6	$ 15.5