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Summary of Significant Accounting Policies Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets $ 209,300,000 $ 282,500,000
Derivative liabilities (118,200,000) (141,700,000)
Investments 191,500,000  
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets 188,600,000  
Level 1 | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets 188,600,000 200,500,000
Level 2 | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets 20,700,000 82,000,000.0
Derivative liabilities $ (118,200,000) $ (141,700,000)