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v3.26.1

Commitments and Contingencies (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
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 |  |

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