Insurance Receivable (Detail) - USD ($)		12 Months Ended
	Dec. 18, 2019	Oct. 31, 2019	Oct. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable from insurance companies		$ 445,000	$ 7,094,000
Insurance policy, self-insurance, amount		2,500,000
Insurance policy, self-insurance, deductible, amount		250,000
Hurricane, Florance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loss from catastrophes		2,750,000
Hurricane, Michael
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loss from catastrophes		$ 250,000
Subsequent Event
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from insurance	$ 11,300,000