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v3.23.3

Operations and Significant Accounting Policies - Other Current Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Customer Deposits | $ 6.0 | $ 150.7
PSAs | 6.0 | 6.1
Provision for Interim Rate Refund | 39.4 | 18.4
Manufactured Gas Plant - Current | 3.4 | 14.7
Operating Lease Liabilities | 3.0 | 3.2
Finance Lease Liabilities | 0.4 | 0.0
Other | 52.3 | 57.9
Total Other Current Liabilities | $ 110.5 | $ 251.0

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