XML 90 R77.htm IDEA: XBRL DOCUMENT v3.22.0.1
Debt (Fair Value Hedges) (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]        
Reduction to non-cash interest expense     $ 4.7  
Other derivative assets   $ 15.0 63.8  
Senior notes: May 2023        
Debt Instrument [Line Items]        
Interest rate   4.75%    
Debt retired $ 250.0      
Freestanding Derviatives        
Debt Instrument [Line Items]        
Other derivative assets   $ 3.9 8.3  
Freestanding Derviatives | Interest Expense        
Debt Instrument [Line Items]        
Loss on interest rate derivative not designated as fair value hedge   4.4 0.1  
Interest Rate Swap        
Debt Instrument [Line Items]        
Derivative, notional amount   300.0    
Gain (loss) on fair value hedges recognized in earnings   (5.2) 7.6 $ 8.1
Interest Rate Swap | Fair Value, Measurements, Recurring        
Debt Instrument [Line Items]        
Derivative assets   4.7 10.0  
Interest Rate Swap | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring        
Debt Instrument [Line Items]        
Derivative assets   4.7 10.0  
Interest Rate Swap, Net Settlements        
Debt Instrument [Line Items]        
Gain (loss) on fair value hedges recognized in earnings   7.9 5.7 1.0
Hedged Senior Notes        
Debt Instrument [Line Items]        
Gain (loss) on fair value hedges recognized in earnings   $ 5.2 $ (5.7) $ (7.5)