Employee Benefits - Amount Recognized in Statement of Financial Position (Details) - USD ($) $ in Millions	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Amounts recognized in the statement of financial position consist of:
Noncurrent liabilities	$ (59.3)	$ (53.7)	$ (26.1)
Net amount recognized at year end	$ (59.3)	$ (53.7)	$ (26.1)