Income Taxes - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Dec. 31, 2017	Oct. 31, 2020	Oct. 31, 2018	Oct. 31, 2019
Operating Loss Carryforwards [Line Items]
Corporate tax rate	35.00%	21.00%
Tax reform act, benefit related to remeasurement of net deferred tax liabilities			$ 11.3
Net operating loss carryforwards			3.5
Estimate income tax effects due to CARES Act		$ 3.5
Unrecognized tax benefits that would affect the annual effective rate if recognized		3.1	$ 2.2	$ 2.6
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 3.2
Net operating loss carryforwards, expiration year		2029
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 21.6
Net operating loss carryforwards, expiration year		2027
Tax and other credit carryforwards		$ 2.3
Tax and other credit carryforwards		2023
State and Local Jurisdiction [Member] | CANADA
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 0.6
State and Local Jurisdiction [Member] | BRAZIL
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		$ 3.7