Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities
Net Income	$ 147.9	$ 94.1
Adjustments to Reconcile Net Income to Cash provided by (used in) Operating Activities:
AFUDC – Equity	(2.5)	(2.4)
Income from Equity Investments – Net of Dividends	0.6	3.8
Loss on Investments and Property, Plant and Equipment	0.6	2.1
Depreciation Expense	188.2	181.3
Amortization of PSAs	(3.9)	(6.3)
Amortization of Other Intangible Assets and Other Assets	5.3	6.3
Deferred Income Tax Benefit	1.3	(19.7)
Share-Based and ESOP Compensation Expense	4.3	4.2
Defined Benefit Pension and Postretirement Benefit	(2.5)	(2.2)
Fuel Adjustment Clause	53.8	(3.5)
Bad Debt Expense	1.2	1.4
Provision for Interim Rate Refund	21.0	0.0
Residential Interim Rate Adjustment	0.0	(5.9)
Changes in Operating Assets and Liabilities
Accounts Receivable	17.2	3.2
Inventories	275.6	(261.4)
Prepayments and Other	0.6	(7.7)
Accounts Payable	(8.0)	8.0
Other Current Liabilities	(167.9)	63.5
Cash Contributions to Defined Benefit Pension Plans	(17.3)	0.0
Changes in Regulatory and Other Non-Current Assets	4.1	28.0
Changes in Regulatory and Other Non-Current Liabilities	0.4	(5.6)
Cash provided by Operating Activities	520.0	81.2
Investing Activities
Proceeds from Sale of Available-for-sale Securities	0.5	1.7
Payments for Purchase of Available-for-sale Securities	(0.8)	(1.7)
Acquisition of Subsidiaries - Net of Cash & Restricted Cash Acquired	0.0	(155.0)
Payments for Equity Method Investments	(6.6)	(5.1)
Additions to Property, Plant and Equipment	(184.1)	(153.5)
Other Investing Activities	(9.6)	2.5
Cash used in Investing Activities	(200.6)	(311.1)
Financing Activities
Proceeds from Issuance of Common Stock	11.4	244.4
Equity Issuance Costs	0.0	(8.1)
Proceeds from Issuance of Short-Term and Long-Term Debt	409.8	710.5
Repayments of Short-Term and Long-Term Debt	(533.4)	(761.0)
Proceeds from Non-Controlling Interest in Subsidiaries – Net	9.9	155.7
Distributions to Non-Controlling Interest	(8.5)	0.0
Dividends on Common Stock	(116.5)	(108.6)
Other Financing Activities	(1.1)	(2.1)
Cash provided by (used in) Financing Activities	(228.4)	230.8
Change in Cash, Cash Equivalents and Restricted Cash	91.0	0.9
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	40.2	47.7
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 131.2	$ 48.6