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Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative [Line Items]      
Interest rate cap, fair value $ 1.0 $ 1.0  
Unrealized gain (loss) on effective portion of interest rate cap agreement 0.0 0.6 $ 11.3
Interest Rate Cap      
Derivative [Line Items]      
Notional amount 1,300.0 1,400.0  
Interest Rate Contract      
Derivative [Line Items]      
Unrealized gain (loss) on effective portion of interest rate cap agreement 0.0 (0.6) (11.3)
Amount expected to be reclassified from AOCL to interest expense 5.0    
Derivative      
Derivative [Line Items]      
Interest income (expense) reclassified into earnings (less than) 2.5 $ 6.0 $ 1.7
Interest Rate Cap Agreement Effective December 31, 2021      
Derivative [Line Items]      
Notional amount 100.0    
Interest Rate Cap Agreement Effective December 31, 2022      
Derivative [Line Items]      
Notional amount $ 1,300.0