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Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Fair Value by Fair Value Hierarchy Level [Line Items]              
Investment $ 52.1 $ 52.1     $ 52.1    
Unfunded commitments 33.4 33.4     33.4    
Capital contributions         16.8    
Unrealized gain (loss) on investments   3.6   $ 0.0 5.0 $ 0.0  
Proceeds from non marketable securities       $ 38.0      
Impairment charges on investment     $ 5.0        
Equity Securities, FV-NI 33.0 33.0     $ 33.0    
Minimum              
Fair Value by Fair Value Hierarchy Level [Line Items]              
Investment fund, term         7 years    
Investment fund, option to extend, term         2 years    
Maximum              
Fair Value by Fair Value Hierarchy Level [Line Items]              
Investment fund, term         10 years    
Investment fund, option to extend, term         3 years    
Fair Value Measured at Net Asset Value Per Share              
Fair Value by Fair Value Hierarchy Level [Line Items]              
Equity securities without readily determinable fair value 52.1 52.1     $ 52.1   $ 32.3
Interest rate swap              
Fair Value by Fair Value Hierarchy Level [Line Items]              
Derivative, cash received 12.2            
Derivative, notional amount $ 1,800.0 1,800.0     1,800.0    
Derivative, gain on derivative, net   $ 21.4     $ 15.7