Financial Instruments and Fair Value Measurements - Summary of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Net Assets Held for Sale					$ 5.6
Impairment of Long Lived Assets				$ 7.6	2.2
Total	$ 5.7	$ 4.2	$ 7.8	$ 8.3	$ 20.8
Indicative Bids | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Unobservable Input			Indicative Bids
Broker Quote / Indicative Bids | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Unobservable Input				Indicative Bids
Sales Value | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Unobservable Input			Sales Value	Sales Value
Land and building | Indicative Bids | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Net Assets Held for Sale			$ 2.1
Land and building | Broker Quote / Indicative Bids | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Net Assets Held for Sale				$ 0.7
Machinery and equipment | Sales Value | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Long Lived Assets			$ 5.7	$ 7.6