Capacity of plant.

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- Definition

Commitments and contingencies.

+ References

No definition available.

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- Definition

Amount of derivative gain (loss) as a result of net settlement.

+ References

No definition available.

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- Definition

Term for procuring fuel under power purchase agreement.

+ References

No definition available.

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- Definition

Indicates line item in statement of financial position that includes derivative asset classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Indicates line item in statement of financial position that includes derivative liability classified as noncurrent.

+ References

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- Definition

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-6

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- Details

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Commitments and Contingencies (Details) $ in Millions	3 Months Ended		6 Months Ended
Commitments and Contingencies (Details) $ in Millions	Apr. 30, 2026 USD ($)	Apr. 30, 2025 USD ($)	Apr. 30, 2026 USD ($) MW	Apr. 30, 2025 USD ($)	Oct. 31, 2025 USD ($)
Commitments and Contingencies
Derivative net gain (loss)	$ (4.8)	$ (0.8)	$ (1.2)	$ 1.1
Derivative asset	$ 1.6		$ 1.6		$ 2.0
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent		Other Assets, Noncurrent		Other Assets, Noncurrent
Derivative liabilities	$ 0.8		$ 0.8		$ 0.1
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent		Other Liabilities, Noncurrent		Other Liabilities, Noncurrent
Recorded unconditional purchase obligation	$ 77.0		$ 77.0
CT-RFP 2 Derby 14.9 Mega Watt Project
Commitments and Contingencies
Capacity of plant \| MW			14.9
Tulare BioMAT Project
Commitments and Contingencies
Term for procuring fuel			20 years
LIPA Yaphank Project
Commitments and Contingencies
Term for procuring fuel			7 years
LIPA Yaphank Project \| Maximum
Commitments and Contingencies
Term for procuring fuel			20 years
Derby Project
Commitments and Contingencies
Term for procuring fuel			6 years
Derby Project \| Maximum
Commitments and Contingencies
Term for procuring fuel			20 years
Derby Project 14.0 Mega Watt
Commitments and Contingencies
Capacity of plant \| MW			14
Derby Project 2.8 Mega Watt
Commitments and Contingencies
Capacity of plant \| MW			2.8
Toyota Project
Commitments and Contingencies
Term for procuring fuel			4 years
Toyota Project \| Maximum
Commitments and Contingencies
Term for procuring fuel			20 years