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v3.23.2

Accumulated Other Comprehensive Loss (Components Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance | $ (34.7) | $ (85.4) | $ (37.1) | $ (126.8)
Other Comprehensive Income (Loss) before reclassifications | (1.7) | 48.7 | 0.0 | 89.8
Amounts reclassified from accumulated other comprehensive income (loss) | 0.6 | 0.9 | 1.3 | 1.2
Net current-period other comprehensive income (loss) | (1.1) | 49.6 | 1.3 | 91.0
Ending Balance | (35.8) | (35.8) | (35.8) | (35.8)
Interest Rate Risk |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Net current-period other comprehensive income (loss) |  |  | (0.1) |
Gains and Losses on Securities |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance | (9.2) | (3.6) | (11.2) | 2.1
Other Comprehensive Income (Loss) before reclassifications | (1.4) | (3.9) | 0.3 | (9.8)
Amounts reclassified from accumulated other comprehensive income (loss) | 0.2 | 0.0 | 0.5 | 0.2
Net current-period other comprehensive income (loss) | (1.2) | (3.9) | 0.8 | (9.6)
Ending Balance | (10.4) | (7.5) | (10.4) | (7.5)
Gains and Losses on Cash Flow Hedges |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance | (12.5) | (75.5) | (12.6) | (122.5)
Other Comprehensive Income (Loss) before reclassifications | (0.3) | 55.9 | (0.3) | 102.9
Amounts reclassified from accumulated other comprehensive income (loss) | 0.1 | 0.1 | 0.2 | 0.1
Net current-period other comprehensive income (loss) | (0.2) | 56.0 |  | 103.0
Ending Balance | (12.7) | (19.5) | (12.7) | (19.5)
Pension and OPEB Items |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance | (13.0) | (6.3) | (13.3) | (6.4)
Other Comprehensive Income (Loss) before reclassifications | 0.0 | (3.3) | 0.0 | (3.3)
Amounts reclassified from accumulated other comprehensive income (loss) | 0.3 | 0.8 | 0.6 | 0.9
Net current-period other comprehensive income (loss) | 0.3 | (2.5) | 0.6 | (2.4)
Ending Balance | $ (12.7) | $ (8.8) | $ (12.7) | $ (8.8)

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