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 (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Non-cash asset impairment charges	$ 2.9	$ 1.9
Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Non-cash asset impairment charges	2.9	1.9
Level 3 | Broker Quote/ Indicative Bids | Land and Building
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Net Assets Held for Sale		1.5
Level 3 | Sales Value
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Long Lived Assets	$ 2.9
Level 3 | Sales Value | Machinery and Equipment
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of Long Lived Assets		$ 0.4