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Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	May 19, 2023	Jul. 31, 2023	Oct. 31, 2022	Dec. 19, 2019
Debt Instrument [Line Items]
Finance lease obligations		$ 24	$ 57
Finance Lease Liability Statement Of Financial Position Extensible List		Other Liabilities Noncurrent	Other Liabilities Noncurrent
Deferred finance costs		$ (3,257)	$ (1,152)
Total debt and finance obligations		105,010	82,375
Current portion of long-term debt and finance obligations		(9,763)	(13,198)
Long-term debt and finance obligations		95,247	69,177
Connecticut Green Bank Loan
Debt Instrument [Line Items]
Long-term Line of Credit		3,000	4,800	$ 1,800
Connecticut Green Bank Loan (Bridgeport Fuel Cell Project)
Debt Instrument [Line Items]
Long-term Line of Credit			3,507
Liberty Bank Term Loan Agreement (Bridgeport Fuel Cell Project)
Debt Instrument [Line Items]
Long-term Line of Credit			5,382
Fifth Third Bank Term Loan Agreement (Bridgeport Fuel Cell Project)
Debt Instrument [Line Items]
Long-term Line of Credit			5,382
Finance obligation for sale-leaseback transactions
Debt Instrument [Line Items]
Long-term Line of Credit		18,810	56,625
OpCo Financing Facility
Debt Instrument [Line Items]
Long-term Line of Credit		79,307
State of Connecticut Loan
Debt Instrument [Line Items]
Long-term Line of Credit		$ 7,126	$ 7,774
Project Financing Facility
Debt Instrument [Line Items]
Repayments Of Debt	$ 1,800

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