Regulatory Matters (Details) $ in Millions	3 Months Ended
Sep. 30, 2022 USD ($) Rate
CREP Penalty
Public Utilities, General Disclosures [Line Items]
Damages sought	$ 2.5
Electricity, US Regulated
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 171.0
Public Utilities, Requested Return on Equity, Percentage \| Rate	10.60%
Forecasted rate base	$ 2,800.0
Public Utilities, Requested Debt Capital Structure, Percentage \| Rate	51.98%
Public Utilities, Requested Equity Capital Structure, Percentage \| Rate	48.02%
Electricity, US Regulated \| Base electric rate
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 91.8
Electricity, US Regulated \| PCCAM base amount
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	68.1
Electricity, US Regulated \| Electric property tax tracker true-up
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	11.1
Electricity, US Regulated \| Base electric interim rate
Public Utilities, General Disclosures [Line Items]
Interim rate increase, amount	29.4
Electricity, US Regulated \| PCCAM base interim rate
Public Utilities, General Disclosures [Line Items]
Interim rate increase, amount	61.1
Natural Gas, US Regulated
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 23.0
Public Utilities, Requested Return on Equity, Percentage \| Rate	10.60%
Forecasted rate base	$ 575.3
Public Utilities, Requested Debt Capital Structure, Percentage \| Rate	51.98%
Public Utilities, Requested Equity Capital Structure, Percentage \| Rate	48.02%
Natural Gas, US Regulated \| Base gas rate
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	$ 20.2
Natural Gas, US Regulated \| Gas property tax tracker true-up
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease), amount	2.8
Natural Gas, US Regulated \| Base natural gas interim rates
Public Utilities, General Disclosures [Line Items]
Interim rate increase, amount	$ 1.7

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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