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REGULATORY MATTERS: Idaho Fixed Cost Adjustment (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
May 31, 2024 | Jun. 01, 2023 | Jun. 01, 2022 | Jun. 01, 2021
Idaho Fixed Cost Adjustment [Line Items] |  |  |  |
Annual fixed cost adjustment mechanism deferral |  | $ 25.1 | $ 35.2 | $ 38.3
Idaho Fixed Cost Adjustment [Member] |  |  |  |
Idaho Fixed Cost Adjustment [Line Items] |  |  |  |
Percentage cap on the FCA adjustment |  | 3.00% |  |
Idaho Jurisdiction Fixed Cost Adjustment |  |  |  |
Idaho Fixed Cost Adjustment [Line Items] |  |  |  |
Annual fixed cost adjustment mechanism deferral |  | $ 25.1 | $ 35.2 |
Idaho Jurisdiction Fixed Cost Adjustment | Subsequent Event |  |  |  |
Idaho Fixed Cost Adjustment [Line Items] |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount | $ 10.1 |  |  |

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- Definition Annual fixed cost adjustment mechanism deferral amount, whether approved or requested. + References No definition available. + Details
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- Definition [Line Items] for Idaho Fixed Cost Adjustment [Table] + References No definition available. + Details
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- Definition Percentage cap on the FCA adjustment. + References No definition available. + Details
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- Definition Amount of public utility's requested rate increase (decrease) with regulatory agency. + References No definition available. + Details
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- Details
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- Details
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- Details
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