Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Oct. 31, 2023
Debt Instrument [Line Items]
Finance lease obligations		$ 12
Finance Lease Liability Statement Of Financial Position Extensible List	Other Liabilities Noncurrent	Other Liabilities Noncurrent
Deferred finance costs	$ (3,342)	$ (3,526)
Total debt and finance obligations	124,976	119,467
Current portion of long-term debt and finance obligations	(12,232)	(10,067)
Long-term debt and finance obligations	112,744	109,400
Liberty Bank Term Loan Agreement (Derby Senior Back Leverage Loan Facility)
Debt Instrument [Line Items]
Long-term Line of Credit	5,938
Connecticut Green Bank Term Loan Agreement (Derby Senior Back Leverage Loan Facility)
Debt Instrument [Line Items]
Long-term Line of Credit	2,740
Connecticut Green Bank Loan (Derby Subordinated Back Leverage Loan Facility)
Debt Instrument [Line Items]
Long-term Line of Credit	3,500
Connecticut Green Bank Loan (Groton Subordinated Back Leverage Loan Facility)
Debt Instrument [Line Items]
Long-term Line of Credit	8,000	8,000
Liberty Bank Term Loan Agreement (Groton Senior Back Leverage Loan Facility)
Debt Instrument [Line Items]
Long-term Line of Credit	5,549	5,876
Amalgamated Bank Loan (Groton Senior Back Leverage Loan Facility)
Debt Instrument [Line Items]
Long-term Line of Credit	5,535	5,873
Finance obligation for sale-leaseback transactions
Debt Instrument [Line Items]
Long-term Line of Credit	18,817	18,814
State of Connecticut Loan
Debt Instrument [Line Items]
Long-term Line of Credit	6,247	6,908
OpCo Financing Facility
Debt Instrument [Line Items]
Long-term Line of Credit	$ 71,992	$ 77,510

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Indicates line item in statement of financial position that includes finance lease liability.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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