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Financial Instruments - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Derivative [Line Items]          
Notional amount of foreign currency derivative hedges $ 600.0     $ 600.0  
Value of terminated interest rate hedges   $ 600.0      
Foreign Exchange Contracts [Member]          
Derivative [Line Items]          
Notional amount of foreign currency derivative hedges 553.7     553.7  
Cash flow hedge [Member]          
Derivative [Line Items]          
Derivative instrument gain (loss) 126.4   $ 2.4 125.9 $ 1.8
Cash flow hedge [Member] | Foreign Exchange Contracts [Member]          
Derivative [Line Items]          
Estimated amount of net derivative gains in accumulated other comprehensive income reclassified to earnings within 12 months $ 2.5     2.5  
Total realized pre-tax gains       $ 39.0