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Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Sep. 30, 2022
Derivative [Line Items]            
Derivative Instruments and Hedges, Assets $ 192.6   $ 192.6   $ 191.9  
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease) 7.4   7.4   $ 8.1  
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 12.2   12.2      
Derivative Instruments and Hedges, Noncurrent 600.0   600.0      
Interest Income            
Derivative [Line Items]            
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) 0.0 $ 0.0 0.0 $ 0.0    
Interest Rate Swap            
Derivative [Line Items]            
Derivative Instruments and Hedges, Assets 850.0   850.0      
Interest Rate Swap | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]            
Derivative [Line Items]            
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax (14.7) $ 0.0 (14.7) $ 0.0    
Interest Rate Collars            
Derivative [Line Items]            
Derivative Instruments and Hedges, Assets 300.0   300.0      
Interest Rate Swap and Interest Rate Collar            
Derivative [Line Items]            
Derivative Instruments and Hedges, Assets $ 1,150.0   $ 1,150.0      
three-year forward starting, four-year pay fixed interest rate swap [Member]            
Derivative [Line Items]            
Derivative Instruments and Hedges, Assets           $ 200.0
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)           $ 8.5