Divestiture Activities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		15 Months Ended
	Jul. 31, 2022	Oct. 31, 2021	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Apr. 30, 2018
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain (loss) on sale of business			$ 1.0	$ (0.1)	$ (2.8)
China JV [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain (loss) on sale of business		$ (6.2)
Equity interest in joint ventures							10.00%
Proceeds from sale of business	$ 1.8
Remaining consideration to be received from sale of equity interest	0.7			$ 0.7		$ 0.7
Sale Of REV Brazil
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain (loss) on sale of business					$ (2.8)
Proceeds from sale of business	$ 2.0		$ 2.0			$ 4.0