XML 79 R68.htm IDEA: XBRL DOCUMENT 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)